evolution Flashcards

1
Q

adaptation

A

A trait or behavior that helps an organism survive in its environment

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2
Q

Natural Selection

A

The way nature chooses which organisms survive and reproduce based on their traits.

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3
Q

Evolution

A

the process by which living things change over time. It’s the result of genetic variation, natural selection, and inheritance.

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4
Q

Species

A

A group of living things that can reproduce and have offspring.

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5
Q

Fossil

A

The preserved remains or traces of ancient organisms found in rocks.

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6
Q

Extinction

A

When a species completely disappears and no longer exists.

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7
Q

Variation

A

Differences in traits among individuals of the same species.

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8
Q

Mutation

A

A change in DNA that can create new traits in organisms.

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9
Q

Ancestor

A

An early form of a species from which later species evolved.

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10
Q

Fossil Record – A collection of fossils that shows how life has changed over millions of years.

A

A collection of fossils that shows how life has changed over millions of years.

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