Natural Selection Vocabulary

Last updated over 7 years ago
20 questions
5

A deep sleep which an animal slows down its body

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anything that causes a reaction or change in an organism

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An organism's reaction to a stimulus

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Response in an organism characterized by an increased heart rate, anxiety, decreased blood supply to muscles

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Chemical signal produced in one part of an organism that affects cell activity in another part of the organism

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humans breed specific planst or animals for desired traits

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An inherited trait that improves survival and reproductive success

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Change in DNA

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The movement of organisms toward or away from an external stimulus

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Comes from inside an organism's body

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when internal processes slow down during hot, dry weather

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differences that occur in individuals within a species

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when plants conserve energy and stop growing

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group of organisms that can reproduce only with one another and not with other organisms

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set of actions taken by an organism in response to a stimulus

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eyes, noses, skin, whiskers, ears

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a process by which organisms that inherit helpful traits tend to reproduce more successfully

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maintaining a stable balance in the body

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process by which populations gradually change over time

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a group of organisms of the same species that live in the same place at the same time