Unit 9 Vocabulary - Evolution of Life

Definition of Adaptation

• The process of change by which an organism becomes worse at surviving in its environment

• An inherited trait evolved through natural selection that makes a population well suited to living and reproducing in its environment

• Adaptation refers to the ability of an organism to remain unchanged in its environment.
• Adaptation is the process of an organism becoming extinct.

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What is a Dependent Variable?

• A constant that does not change during an experiment.

• The initial condition set by the researcher before the experiment.

• The variable that researchers manipulate in an experiment.

• The variable that we measure in an experiment.

What is a Trait?

• A method of communication.

• A type of animal.

• A physical location.

• A characteristic of an organism

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What is a population?

• A population is a single individual of a species.
• A population refers to all species in a given area.
• A population is a random collection of organisms from different species.
• A population is a group of individuals of the same species in a specific area.

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What is an allele?

• An allele is a type of chromosome.
• An allele is a protein that influences traits.
• An allele is a specific version or form of a gene.

• An allele is a complete set of genes.

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What is an embryo?

• An embryo is a stage of cellular death.
• An embryo is a type of plant seed.
• An embryo is a developing organism that hasn't yet sprouted, hatched, or been born.

• An embryo is a fully developed organism.

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What is DNA?

• DNA is a type of protein found in cells.
• DNA is a form of energy used by organisms.
• DNA is a type of molecule that carries inherited information from parents to offspring

• DNA is a carbohydrate that provides structure to cells.

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What is Evolution?

• Evolution is the process of creating new species in a laboratory never seen before.

• Evolution is the inherited changes that occur in a population over time.

• Evolution refers to the physical growth of an individual organism in a population.

• Evolution is the belief that all life forms are static and unchanging and won't change.

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What is Genetic Variation?

• Genetic variation is the study of how genes are inherited from parents.
• Genetic variation is the process of cloning genes in a laboratory.
• Genetic variation refers to only the physical traits of an organism.

• Genetic variation is the differences in the inherited traits of different individuals.

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What is the Independent Variable?

• The variable that is measured in an experiment.
• The constant factor that remains unchanged.
• The variable that is changed in an experiment.

• The outcome that is affected by the independent variable.

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