Biology Regents Flashcards- Words E-N

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ecosystem

Back

A community of living and nonliving things interacting in an environment.

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enzyme

Back

Protein that speeds up chemical reactions.

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eutrophication

Back

Nutrient pollution that causes overgrowth of algae and depletes oxygen.

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evidence

Back

Scientific data used to support or refute a claim.

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extinction

Back

When all individuals of a species die out.

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fossil record

Back

Physical evidence of organisms from the past.

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function

Back

The role or “job” something performs (example: the function of a jacket is to keep you warm).

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gene

Back

A segment of DNA that codes for a protein.

Front

genetic engineering

Back

Putting a gene from one organism into another to change what proteins are being produced.

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genetic variation

Back

Differences in DNA among individuals in a population.