Vocabulary: Evolution and Heredity

Heredity is important to all living organisms as it determines which traits are passed from parent to child. Successful traits are more frequently passed along and over time can change a species. We refer to this change in a species’ traits over time as evolution. Changes in traits can allow organisms to adapt to specific environments for better rates of survival. Different organisms have adapted to different environments, however, common traits across different organisms remain.

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A change in a gene caused by mistakes during cell reproduction or by

ecological factors.

• environment

• species

• evolution

• mutation

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The surroundings and conditions an organism lives in.

• mutation

• environment

• species

• evolution

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A group of similar individual organisms capable of reproducing together.

• mutation

• environment

• species

• evolution

Change in a species’ traits across generations.

• evolution

• natural selection

• reprodution

• fossil

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The process by which nature “selects” genetic mutations that benefit an organism.

• evolution

• natural selection

• reproduction

• fossil

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The biological process by which new individual organisms are produced.

• reproduction

• fossil

• factor

• offspring

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The naturally preserved remains of a plant or animal from the past.

• factor

• offspring

• extinct

• fossil

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An environmental _____ influences living organisms.

• reproduction

• fossil

• factor

• offspring

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The reproductive units of an animal or plant. a. factor b. offspring c. extinct d. gene

• factor

• offspring

• extinct

• gene

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