Evidence of Evolution

Give three examples that organisms have changed over time

• patterns of early development

• fossils

• similar body structure

• continental drift patterns

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_______show that, in many cases, organisms that lived in the past were very different than organisms alive today.

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What do the similarities in body structure of these different organisms show about their history?

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An organisms body structure is its basic body plan, such as how its bones are arranged.

• True

• False

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NGSS.MS-LS4-2

What do fish, amphibians, reptiles, birds, and mammals all have in common?

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Similar structures that related species have inherited from a common ancestor are known as _____________ __________.

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NGSS.MS-LS4-2

Explain why these are considered homologous structures

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Scientists have combined evidence to determine evolutionary relationships among species

• Body structure

• Early development

• Fossils

• DNA

• Proteins structure

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How did scientists infer that species have inherited many of the same genes form other species?

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Similarities in DNA can be seen in what way to infer how species are related?

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NGSS.MS-LS4-2