Evidence of Evolution

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EVOLUTION

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a change in the traits of a population across generations of a species

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NATURAL SELECTION

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organisms with better adaptations to their environment tend to survive and produce more offspring

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ADAPTATION

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something that a living thing HAS or DOES to help it survive in its habitat

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Biological evolution is a

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theory

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An extinct species is a group of organisms that is

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no longer alive anywhere

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Which of the following is NOT an adaptation of a Bald Eagle?

• sharp talons for catching prey
• hard shell for protection
• feathers to stay warm
• wings for flight

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hard shell for protection

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An ancient ANCESTOR is

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an extinct species related to a current species

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Which species of birds on an isolated island is most likely successful after a change in food supply from insects, small tender seeds, and vegetation to tough, large, hard seeds?

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A species with high genetic variation (differences.)

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Which statement should Baltazar use to support his scientific explanation?

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After reviewing our results, comparing it to the research that has been conducted by other scientists, the evidence supports the possibility that the bone belonged to a flying dinosaur.

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How can the Archaeopteryx fossils be used to support the theory of evolution?

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They show how organisms today share characteristics with fossilized species.