Ch7 Sec 1 Flashcards

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1
Q

Fossil

A

The preserved remains or traces of an organism that lived in the past.

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2
Q

Adaptation

A

A behavior or physical characteristic that allows an organism to survive or reproduce in its environment.

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3
Q

Evolution

A

The gradual change in a species over time.

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4
Q

Scientific theory

A

A well-tested concept that explains a wide range of observations.

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5
Q

Natural selection

A

A process by which individuals that are better adapted to their environment are more likely to survive and reproduce than others of the same species.

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6
Q

Variation

A

A factor in an experiment that can change.

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7
Q

Species

A

A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce.

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