GMAS Biology Practice Test

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• Which type of symmetry is described as being divisible into similar parts by multiple planes through the center?
• What molecule carries the genetic message from DNA to the ribosome?
• Which field focuses on the comparison of body structures and their variation among species?
• Which covers the cell wall in prokaryotes?
• Which term describes a solution with the same solute concentration as another?
• Which organelle modifies, sorts, and packages proteins for secretion?
• Which energy-based process uses chemical energy to produce carbohydrates?
• A reproductive cell with a hard, protective coating
• What color do Gram-positive bacteria stain with the Gram stain?
• The immediate physical and chemical surroundings of a microorganism.
• Which term describes a trait influenced by many genes?
• Which phylum includes snails, clams, and octopuses?
• Which term describes the left-right mirror-image arrangement along the body?
• Which term describes the independent evolution of similar features in different lineages?
• Which of the following pH values is considered neutral?
• Which structure makes ribosomes?
• Which term describes a virus that infects bacteria?
• What is an aid used to identify organisms that consists of the answers to a series of questions?
• Which term describes a reaction that absorbs free energy from its surroundings?
• Which term defines a technique that places a gene into a cell to correct a hereditary disease or to improve the genome?
• What term describes the process by which the DNA sequence in a gene is copied into mRNA?
• Bunsen burner, petri dish, pipette, tweazers, etc.
• Which term refers to a physiological response that allows an organism to survive in its environment?
• What are groups of similar cells that act as a functional unit?
• Which diagram shows the amount of energy transferred from one feeding level to the next within a food web?
• Place where an organism lives is called what?
• Which term describes an animal whose body does not produce much internal heat?
• Who are credited with discovering the DNA double helix?
• Which term describes not formed from living things or the remains of living things?
• What is the pH of a neutral solution?
• What are the small openings on the underside of a leaf through which oxygen and carbon dioxide can move?
• What is the three-base sequence of nucleotides in mRNA called?
• The movement of materials through a cell membrane using energy.
• Which law states that genes separate independently of one another during meiosis?
• In binomial nomenclature, the second word of the scientific name denotes what?
• What is the principle that each living species has descended, with changes, from other species over time?
• Mendel's principle stating that one trait is dominant over the other recessive is known as what?
• Bacteria that stain pink with a Gram stain are referred to as?
• A molecule that has partial charges and tends to mix with water is described as which?
• Which term refers to jawless fish?
• A body covering typically made of chitin that provides support and protection is called what?
• Ozone depletion results in increased exposure to ultraviolet radiation at Earth's surface.
• What is the process of making a copy of DNA?
• Which fertilization process occurs outside the female's body?
• What is produced by meiosis in the plant life cycle and grows into haploid organisms by mitosis?
• Which organelle stores water and maintains turgor in plant cells?
• Which word describes changes over time in living organisms?
• Observations that use the senses.
• A plant grown for food.
• Which term names the chemical equation for photosynthesis?
• Which of the following is an example of Tools of Science?
• CHNOPS stands for Carbon, Hydrogen, Nitrogen, Oxygen, Phosphorus, and Sulfur.
• One of the alternative forms of a gene that governs a trait such as hair color is called what?
• A cross between individuals that involves one pair of contrasting traits is known as what?
• A limiting factor whose effect increases with population size is called a density dependent factor.
• What is the waxy layer that covers the outer epidermal wall and prevents water loss?
• Which term describes a solution with a higher solute concentration relative to another?
• Which term is used for a population characteristic that is not affected by population density?
• Organisms that use light as a source of energy to synthesize organic substances are known as what?
• Movement of specific molecules across cell membranes through protein channels.
• Ferns are an example of plants with what type of vascular tissue?
• Which term describes a reaction that requires energy input to synthesize complex molecules?
• Which germ layer is the outermost and gives rise to sense organs, nerves, and the outer layer of skin?
• Which term describes the evolution of different species from a common ancestor leading to differences among lineages?
• What is the hypothesis stating that life could arise from nonliving matter?
• An insecticide that is also toxic to animals and humans is known as which chemical?
• Whiplike tails found in one-celled organisms to aid in movement are called?
• Which phrase correctly defines taxonomy?
• What is the term for anything that has mass and takes up space?
• In a Eukaryotic cell, one of the structures in the nucleus made of DNA and protein; in a prokaryotic cell, the main ring of DNA is called what?
• Which phage life cycle replicates the phage genome without destroying the host cell?
• Why is water often called the universal solvent?
• The first community living in a lifeless area.
• Which kingdom consists of unicellular prokaryotes whose cell walls are made of peptidoglycan?
• Moving molecules across the cell membrane.
• Determined by the sex chromosomes; XX for female; XY for male.
• Which type of respiration requires oxygen?
• Which biome is characterized by grasses with scattered trees adapted to a tropical wet-dry climate?
• Which molecule is the main energy currency used by cells for most work?
• What is the term for a micrograph of the array of chromosomes visible in a cell during metaphase, arranged in homologous pairs and in order of diminishing size?
• Each step in a food chain or food web is called what?
• Which describes an organism that consists of a single cell?
• Which term refers to maintaining stable internal conditions in an organism?
• Which list represents the traditional six kingdoms in biology?
• What term describes the embryo of a living plant encased in a protective covering and surrounded by a food supply?
• A biological community of interacting organisms and their physical environment is called what?
• What are amino acids that must be obtained from the diet because the body cannot synthesize them?
• A pore in a cell membrane through which ions can pass is called an
• What is the active life cycle of a virus when it is actively replicating and spreading?
• Which term describes the struggle between organisms to survive in a habitat with limited resources?
• Which biome is characterized by very cold climates with harsh winters and is found in high latitudes near the poles?
• The class name for birds is what?
• Which class includes amphibians?
• An organelle found in plant and algae cells where photosynthesis occurs.
• Embryos of vertebrates share many anatomical homologies; this concept is studied in which field?
• Which term describes a structure that has little or no use in modern organisms but persists from an ancestor?
• What term describes a living or non-living carrier that transmits a pathogen between hosts (for example via water, air, or animals)?
• Which term describes large terrestrial regions of the earth with distinct climate and characteristic species?
• Monosaccharides, disaccharides, and polysaccharides are categories of which biomolecule?
• What is the term for a group or level of organization into which organisms are classified?
• Which term refers to the diploid generation that produces spores by meiosis?
• If two species compete for the same limiting resource, what outcome can occur?
• What term describes a series of predictable and orderly changes within an ecosystem over time?
• In an experiment, a group that serves as a standard of comparison with another group to which the control group is identical except for one factor.
• In nucleic acids, what term refers to the nitrogen-containing component that pairs with its complement?
• What is the term for a community of organisms where there are several interrelated food chains?
• Which term describes the general geographic regions such as forests, grasslands, and deserts?
• An organism that obtains organic food molecules by eating other organisms or their by-products is called what?
• Which term encompasses reproduction, metabolism, heredity, and adaptation through evolution?
• A cellular extension of amoeboid cells used in moving and feeding is called?
• Which base pairs with Adenine in DNA?
• What term describes the evolutionary history of a species?
• Which type of bond is responsible for the attraction between a hydrogen atom and a more electronegative atom in a molecule?
• Which term describes the monomer of nucleic acids made up of a five-carbon sugar, a phosphate group, and a nitrogenous base?
• Viral DNA that inserts into a host genome.
• A revolving door through which energy passes during transfer from catabolic to anabolic pathways?
• Traits altered by an individual organism during its life are called what?
• Which base replaces Thymine in RNA and pairs with Adenine?
• Amino acids are the building blocks of which biomolecule?
• Which class includes cartilaginous fish?
• Angiosperms are which type of plants?
• What molecule is represented by the formula C6H12O6?
• A modified leaf in angiosperms that helps enclose and protect a flower bud before it opens.
• Which term describes a trait that is influenced by more than one gene?
• Breeding organisms with specific traits to produce offspring with identical traits is called what?
• Which process describes toxins becoming more concentrated in higher trophic levels?
• Which process translates mRNA into a polypeptide?
• Which term describes an organism that breaks down wastes and dead organisms?
• Which molecule is adenosine monophosphate?
• Which is a classic example cited for natural selection in action?
• Which term refers to the study of ethics related to issues that arise in health care?
• A mature ovary of a flower that protects dormant seeds and aids in their dispersal.
• Which term means carbon-containing?
• Which term is not a class within the Phylum Chordata?
• Which term describes the difference in solute concentration across a distance?
• The body cavity that is not completely lined by mesoderm-derived tissue is called what?
• The variety of life in the world or in a particular habitat or ecosystem is called what?
• A cross between individuals that have different alleles for two genes is called what?
• An organism that makes its own food is called what?
• An atom or molecule with a net electric charge due to the loss or gain of one or more electrons.
• What structure encloses and protects ovules and seeds as they develop?
• Which statement best describes a nucleotide?
• Which term describes a haploid reproductive cell that unites with another to form a zygote?
• Belly side is called?
• Which term describes organisms that obtain energy from chemical reactions rather than from light?
• What are the building blocks of proteins?
• Which model describes the arrangement and movement of the molecules that make up a cell membrane?
• Which term would a biologist use to describe the total genetic variation present in a population?
• Having a lower concentration of solute than another solution is described as
• What are chains of cells that make up multicellular fungi?
• What type of bond is formed when electrons are transferred from one atom to another?
• A relationship in which both species benefit is called?
• Which model is characterized by a mosaic of proteins floating in a fluid lipid bilayer?
• Which group of plants produces seeds that are exposed rather than enclosed in fruits?
• What is the attraction between molecules of the same substance called?
• A subatomic particle that has a negative charge?
• Which term refers to the structural polysaccharide found in many fungal cell walls and in arthropod exoskeletons?
• Who was the first to propose a theory of evolution?
• The ability to do work is called
• Competition for the needs of life is defined as what?
• A state of balance between continuing processes is called
• Which organelle carries substances, such as proteins, to various parts of the cell?
• Phosphate is best described as which kind of chemical?
• ADP is the molecule that ATP becomes when it gives up one of its three phosphate groups.
• Which base pairs with cytosine in DNA?
• Which process refers to the movement of substances across a cell membrane without using energy by the cell?
• Which term describes a mature, stable ecological community?
• Which particle has no charge and is found in the nucleus?
• Which filamentous structure forms the body of a fungus when many filaments grow together?
• Which pattern describes when two or more species sharing a common ancestor become more different over time?
• What is the scientific name for mammals?
• What term describes an increase in the mass of an organism or an increase in cell size or number?
• Pieces of genetic material surrounded by a protein coat are called what?
• Which term best describes the energy transfer process from catabolic to anabolic pathways in cells?
• Which term refers to a virus that integrates into the host genome and remains latent?
• A colorful, leaflike structure of some flowers.
• Which biomolecule category includes DNA and RNA?
• What is the attraction between molecules of different substances called?
• What bonds connect amino acids to form polypeptide chains?
• A cross between two organisms that differ in two genes is called what?
• Which organelle contains digestive enzymes and helps break down waste?
• Destruction of forests is called what?
• In an experiment, a group identical to a control group except for one factor and compared with the control group.
• A relationship between two organisms in which one benefits and the other is harmed is known as?
• Which term best describes the property of a cell membrane that allows some substances to cross more easily than others?
• Which cell type lacks a nucleus?
• DDT is an insecticide that is toxic to animals and humans. Which pesticide is DDT?
• What is the reproductive cell that can survive harsh conditions due to a protective coating?
• The gene-directed process by which an organism matures.
• What is the scientific name for reptiles?
• A molecule with partial charges that can mix with water is described as which?
• Which biomolecule class is formed when amino acids are linked together by peptide bonds?
• The removal of forests leading to habitat loss is called what?
• What term describes the five-carbon sugar present in nucleotides?
• Which term describes the small bodies that perform a function inside the cell?
• Which interaction involves one organism killing and consuming another for food?
• Which term describes a tissue, organ, or organism that is made of many cells?
• What is the scientific name for birds?
• Which particle has a positive charge and is found in the nucleus?
• Which term describes the cell that results from the fusion of two gametes?
• Which organelle contains digestive enzymes?
• Which trait is determined by a gene located on one of the sex chromosomes?
• Which component is most critical to the functioning of an ecosystem?
• Combined genetic information of all the members of a particular population is known as what?
• The class name for mammals is what?
• What is the starting material in a chemical reaction?
• Which term refers to the protective coating that can cover the cell wall in some bacteria?
• Which process describes yeast converting sugar into carbon dioxide and alcohol?
• What is the region where sister chromatids are held together before they separate during cell division?
• Which concept explains that strong competition can lead to the local elimination of one species?
• Which scientist is associated with the concept of inheritance of acquired characteristics?
• Which term describes the set of processes by which genetic information flows from DNA to RNA to protein?
• What is a series of steps in which organisms transfer energy by eating and being eaten?
• The female reproductive part of a flower.
• One of the alternative forms of a gene that governs a trait is called what?
• Bacteria that stain purple with a Gram stain are referred to as?
• A substance made up of atoms of two or more different elements joined by chemical bonds.
• Which kingdom consists of unicellular prokaryotes whose cell walls do not contain peptidoglycan?
• Which term describes a species with a disproportionately large effect on ecosystem structure?
• The triplet of nucleotides in mRNA that specifies an amino acid is called what?
• Which diagram represents the biomass in each trophic level of an ecosystem?
• The movement of substances across a cell membrane without the use of energy by the cell.
• Which term describes a range of values used to express the concentration of hydrogen ions in a solution?
• What is the generic term for all bacteria?
• Which organelle is involved in producing and transporting proteins to various parts of the cell?
• Which term describes a stable, mature community with little change?
• Having a higher concentration of solute than another solution is described as
• Which plant life cycle generation is haploid and gives rise to a new plant after mitosis?
• Which scientists demonstrated that spontaneous generation was incorrect?
• Organisms that use hydrogen sulfide or other chemicals as an energy source instead of light are called what?
• Which term is used for the study of how form relates to function and evolutionary history across species?
• The principle that two species competing for the same limiting resource cannot coexist indefinitely is known as what?
• A relationship between two organisms in which one benefits and the other is unaffected is called what?
• Symmetry about a central axis.
• What are the building blocks of proteins?
• Which skeletal type is external and typically protected by an exoskeleton?
• Which term describes a property of cell membranes that allows some substances to pass through, while others cannot?
• Which term describes the back-side orientation in anatomical terms?
• What term describes a trait that is intermediate between the phenotype of the two parents because the dominant allele is unable to express itself fully?
• Which factor depends on population size?
• Which biomolecule class includes triglycerides?
• Two identical chromosomes that split and contain the same genetic material.
• ATP loses a phosphate group to become which molecule?
• A chart that visually arranges all the chromosomes of an organism in homologous pairs from largest to smallest is called what?
• What are hollow tubes used to move cells or exchange DNA between bacteria by conjugation?
• The germ layer that forms the lining of the gut and the airways is which?
• A subatomic particle that has a positive charge and that is found in the nucleus of an atom.
• A body cavity that is not completely lined by tissue derived from mesoderm is called what?
• What is the major element of organic compounds?
• A molecule with partial charges that readily dissolves in water is described as which?
• Which organelle is composed of RNA and protein; site of protein synthesis?
• Lichens are
• Which law states that the pairs of homologous chromosomes separate so only one chromosome from each pair is present in each gamete?
• Who developed the double helix model of DNA?
• The pollen-producing male reproductive organ of a flower, consisting of an anther and a filament.
• Which organelle is the site of photosynthesis in plant cells?
• Which term describes organisms that obtain energy by consuming organic compounds produced by others?
• What is the widely accepted explanation of the relationship between cells and living things?
• Which term refers to a characteristic that increases an organism’s fitness in a particular environment?
• What term describes the duplicated chromosomes that still contain identical genetic material before separation?
• Which RNA molecule carries amino acids to the ribosome?
• What is the thick-walled protective spore that forms inside a bacterial cell and resists harsh conditions?
• Which English naturalist formulated the theory of natural selection?
• Single cell, microscopic organisms, EUkaryotic cells
• What is the flexible rod that supports a chordate's back?
• Area where the chromatids of a chromosome are attached.
• In the list of life’s classifications, which term describes an organism that makes its own food?
• What type of bond occurs due to attraction between a slightly positive hydrogen and a slightly negative atom elsewhere within a molecule?
• A well-substantiated explanation of some aspect of the natural world, based on a body of facts that have been repeatedly confirmed through observation or experiment.
• Which diagram is used to visualize the total energy present at each step in a food chain?
• Which term describes organisms that use light as their energy source to synthesize organic substances?
• Which phylum includes insects, spiders, and crustaceans?
• What term describes the biological process that breaks down carbohydrates to lactic acid as the main end product?
• Which term refers to energy that is available to do work?
• What is the universal solvent?
• Which term describes the force exerted on an object that causes it to move?
• DNA is similar in species that share a common ancestor according to which field?
• Which is the main energy source cells use for most of their work?
• Pertaining to the back is called?
• Having the same solute concentration as another solution is described as
• Which term describes an organism that is internally warmed by a heat-generating metabolic process?
• In an acidic solution, the number of hydronium ions is greater than hydroxide ions. This type of solution is described as?
• The movement of water across selectively permeable membranes.
• Which theory proposes that mitochondria and chloroplasts originated from endosymbiotic relationships with prokaryotes?
• Which term describes a trait controlled by genes on the sex chromosomes?
• The process by which a living organism becomes more mature and complex.
• Which term refers to a trait that helps an organism survive and reproduce?
• A stable, mature community that undergoes little or no change in species over time.
• In chemistry, a phosphate is described as which type of chemical?
• Which term describes the total feeding relationships in an ecosystem, not just a single chain?
• Which of the following is an example of common genetic disorders?
• Which process includes transcription and translation?
• Which term describes organisms that derive energy from chemical sources rather than light?
• Which term describes organisms that obtain energy by consuming other organisms?
• Which particle has a negative charge?
• Which term describes bacteria that have cell walls made of peptidoglycan?
• What is a change in a gene or chromosome?
• What is a group of organs that work together in performing vital body functions?
• What is the crossing of an individual of unknown genotype with a homozygous recessive individual to determine the unknown genotype?
• Body plan in which only a single imaginary line can divide the body into two equal halves.
• Which molecules are typically formed from long chains of amino acids?
• Which term is used for the immediate physical and chemical surroundings of a microorganism?
• Which term means the process of making changes in the DNA code of living organisms?
• Attaches the anther to the rest of the flower.
• Which field studies the anatomical similarities among embryos of different vertebrate species?
• What term describes when both alleles for a gene are fully expressed?
• Which biomolecule group includes steroids, fats, oils, and waxes?
• What are the three common shapes of bacteria?
• Which term describes the independent evolution of similar traits in unrelated lineages due to similar environments?
• What process uses light energy to convert it into chemical energy?
• Which generation is multicellular, haploid, and produces haploid gametes by mitosis?
• Toward the back is called?
• What are the threadlike structures that compose most of the fungal body?
• What staining method distinguishes between two kinds of bacterial cell walls?
• Which type of limiting factor affects all populations in similar ways, regardless of their size?
• A mass of hyphae
• Which biome is a barren region with little rainfall, usually sandy and without trees?
• What is the smallest unit of a chemical element that retains its properties?
• Which factor is typically density dependent in populations?
• Which term names the chemical equation shown for the process of photosynthesis?
• Gram staining differentiates between two kinds of what?
• Which plant group is characterized by producing seeds that are exposed on cones or naked seeds?
• A difference in the concentration of a substance across a distance is known as a
• Which fertilization process occurs inside the female's body?
• Which process decodes mRNA to synthesize a protein?
• Which organelles package cellular materials and transport them within the cell or out of the cell?
• Porifera is the phylum of which simple animals?
• The middle germ layer in early development, between the endoderm and the ectoderm, is which?
• Which option is not a traditional kingdom in the six-kingdom system?
• Strong competition can lead to local elimination of one species due to competition. This concept is known as?
• Which concept describes size limitations on cells due to surface area to volume ratio?
• Which graph shape is associated with logistic growth?
• Which term refers to a fluid-filled body cavity lined with mesoderm?
• Which biome is characterized by deep, nutrient-rich soil that supports many grass species?
• Which substances help build and maintain body cells and tissues?
• Population growth that is controlled by limited resources is called what?
• Which biomolecule includes DNA and RNA?
• Organisms that use hydrogen sulfide or other chemicals as energy source instead of light are known as?
• Which biome is defined by a mild climate with four distinct seasons and broadleaf trees?
• A cross between individuals that differ in a single trait is called what?
• Which graph shows logistic growth?
• Which topic describes the beneficial and harmful roles of bacteria in human affairs?
• Cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaption through evolution.
• Which statement contrasts birth and death rates in industrialized vs non-industrialized populations?
• Movement of molecules from an area of higher concentration to an area of lower concentration.
• Which base is found in DNA but not in RNA?
• What is the theorized process by which early eukaryotic cells formed from simpler prokaryotes?
• What term describes the membrane structure formed by two layers of phospholipids?
• Which germ layer becomes the lining of the digestive and respiratory systems?
• Which process results in the evolution of organisms best adapted to the environment through differential reproduction?
• How many traditional kingdoms are recognized in the six-kingdom system?
• Cell organelle that stores materials such as water, salts, proteins, and carbohydrates.
• Toward the front is called?
• Which base pairs with Guanine in DNA?
• Which graph describes exponential growth patterns with no apparent limits?
• What type of bond forms when two atoms share one or more pairs of electrons?
• Which type of respiration does not require oxygen?
• What term describes the carrier of a pathogen, such as water, air, blood, or an animal?
• Which part of the flower becomes the seed-bearing structure after fertilization?
• Which biome has a mild climate with four distinct seasons and broadleaf forests?
• Which group includes fish, amphibians, reptiles, birds, and mammals?
• What is the diagram called that shows the occurrence of a genetic trait in several generations of a family?
• Which of the following is NOT a common bacterial shape?
• Cystic fibrosis and sickle cell anemia are examples of what?
• What term refers to the increase in toxin concentration as you move up the food chain?
• Site of pollen grain production. Part of the stamen.
• Which process requires energy to move substances across a membrane against their concentration gradient?
• What concept describes the flow of genetic information from DNA to RNA to protein?
• Which diagram represents the number of organisms at each trophic level?
• Which class includes bony fish?
• What term describes a substance made up of two or more elements bonded together?
• Describe a characteristic that is influenced by many genes.
• Which term describes animals that maintain body temperature through metabolic heat?
• What naming system uses a two-part scientific name for each species?
• What is the basic unit of matter?
• Which biome is located near the equator with warm temperatures, abundant rainfall, and lush plant growth?
• Which cellular projection is used for movement and feeding in amoeboid cells?
• What is the term for the micrograph showing chromosomes arranged by size?
• What does AMP stand for?
• Which term describes the deliberate modification of an organism's genome to achieve desired traits?
• Which term describes a digestive system with a single opening that serves as both mouth and anus?
• What term describes the five-carbon sugar component of nucleotides?
• What term describes more than two alleles for a genetic trait?
• The solution that contains more hydroxide ions than hydronium ions describes which term?
• The steady-state physiological condition of the body.
• Which term describes a characteristic that is not affected by population density?
• A subatomic particle that has no charge and that is found in the nucleus of an atom.
• Which inheritance pattern produces an offspring phenotype that is a blend of parental phenotypes?
• The class name for reptiles is what?
• Which term describes a predator that removes the competitive dominant and increases community diversity?
• Which term describes animals without a backbone?
• What term describes a digestive system with a mouth at one end and an anus at the other end?
• The stalk of a flower's carpel, with the ovary at the base and the stigma at the top.
• Which term describes the belly-side orientation in anatomical terms?
• What is the group of three bases on a tRNA molecule that are complementary to an mRNA codon called?
• Which kingdom contains multicellular eukaryotes including vertebrates and invertebrates?
• Which term describes a polyhedral shape commonly found in viral capsids?
• Which taxonomic rank is the most inclusive?
• What organ surrounds and protects the developing seed within the fruit?
• What is the term for the number of individuals per unit area?
• KPCOFGS is an acronym for the sequence of taxonomic ranks, ordered from most inclusive to most specific. Which of the following represents that order?
• The breakdown of the ozone layer caused by chlorofluorocarbons is known as what?
• Which term refers to a characteristic that varies with population density?
• Which biome is found near the equator with warm temperatures, heavy rainfall, and lush plant growth?
• Which term describes a testable idea in science?
• What term describes the combined genetic information of all the members of a population?
• What structure forms inside a bacterial cell to survive harsh conditions?
• Which term describes animals that obtain most body heat from the environment?
• The outer germ layer that forms skin and nervous system is which?
• A pure substance made of only one kind of atom.
• Which biome is extremely cold and dry, characterized by permafrost and species such as caribou and snowy owl?
• An internal skeleton or supporting framework in an animal is called what?
• Which are the substances produced by a chemical reaction?
• The branching diagrams used to illustrate evolutionary relationships are used to describe what concept?
• What term describes a solution that contains less than the maximum amount of dissolved solute?
• Which term best describes a scientifically supported explanation?
• Which term best describes single-celled, microscopic organisms with eukaryotic cells?
• A structural polysaccharide found in many fungal cell walls and in the exoskeletons of arthropods.
• Which phylum includes starfish and sea urchins?
• The germ layer that gives rise to muscles and most internal organs is which?
• Which factor is most typically density-dependent in animal populations?
• Thymine always pairs with Adenine, and Cytosine always pairs with Guanine.
• Observations that are/can be measured.
• Which term describes a reaction that releases free energy?
• Hairlike projections that extend from the plasma membrane and are used for locomotion are called?
• Which biome features grasses and scattered trees adapted to a tropical wet and dry climate?
• What term describes the first community to occupy a lifeless area?
• Which RNA molecule carries amino acids to the ribosome?
• What is the term for one of the small bodies found in the cytoplasm that are specialized to perform a specific function?
• Which component of a DNA nucleotide is a nitrogen-containing base?
• Which term describes bacteria that lack peptidoglycan in their cell walls?
• Which group produces seeds enclosed in fruits and includes most flowering plants?
• What term refers to the scale of biological organization from atoms up to populations?
• Which description applies to digestion in which food enters and waste leaves through the same opening?
• Limiting factor that depends on population size.