Evolution Review-2023

How does evidence of past environments preserved in rock support the theory of evolution?

• Explains part of the reason that living things evolve.

• Shows the order in which organisms became extinct.

• Explains how organisms can become fossils.

• Shows which organisms are closely related to each other.

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What causes living things on Earth to change over time?

• Common ancestors

• Relative Dating

• Fossil Record

• Natural processes

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Why are no dinosaur fossils found in rocks that are younger than those formed during the Mesozoic era?

• Dinosaurs stopped fossilizing.

• Dinosaurs became extinct.

• Dinosaurs evolved into mammals.

• Dinosaurs moved to other areas.

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What happens to a species when it becomes extinct?

• A few members adapt to a new environment.

• All members evolve into a new species.

• No members live to reproduce.

• Most members move to a new environment.

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Fossils are clear evidence that _______ has occured

• something

• change

• evolution

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Which organism is MOST closely related to the polar bear according to body structure?

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• Dolphin and Whale

• Dolphin and Penguin

• Shark and Dolphin

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Which example of similar structures indicates that the species are related?

• Wings of birds and insects

• Fins of sharks and penguins

• Forelimbs of bats and dogs

• Webbed feet of frogs and ducks

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NGSS.MS-LS4-2

How does sexual reproduction increase variation within a species?

• It copies one parent's genes to make each offspring.

• Causes the genes of two different individuals to mix.

• It changes the trait that a given gene produces.

• It changes the base sequence of an organism's DNA.

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Why do we look different from our parents?

• Offspring change the sequence of bases in inherited DNA.

• Offspring receive gene mutations from mother and father.

• Offspring inherit an exact copy of DNA from mother and father.

• We inherit genes from both father and mother.

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NGSS.MS-LS3-1

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