Unit 4 Evolution

The table contains information about fossils. Draw a fossil record putting the organisms in order.

• A - B - C - D - E

• E - D - C- B - A

• E - B - A - D - C

• C - D - A - B- E

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NGSS.MS-LS4-1

Which of the following is the correct order to describe how fossils are formed? Time passes, and sediment layers continue to build up on the organism. An organism dies and its body is covered with a layer of sediment. Minerals seep into the organism’s body and replace it with stone. The organism completely decomposes, leaving behind an imprint.

• 3, 4, 1, 2

• 2, 3, 4, 1

• 1, 3, 2, 4

• 2, 1, 3, 4

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NGSS.MS-LS4-1

Which of the following organisms would you expect to find in fossil records from the Precambrian time?

• 
• 
• 
• 

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Which of the following is corret about the Cenozoic era?

• Dinosaurs became extinct.

• Evolution did not play a role during the Cenozoic era.

• A mass extinction occurred.

• Evolution led to a greater diversity of living things, including humans.

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NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which sentence best describes the process of relative dating?

• Older fossils are on top of younger fossils.

• Younger fossils are on top of older fossils.

• Radioactive elements help determine the age of the fossil.

• Fossils are dated by comparing them with living descendants.

What is the following fossil?

• Body fossil

• Cast fossil

• Mold fossil

• Trace fossil

Which of the following is an example of natural selection?

• To produce a more desirable fruit, a farmer crosses a tree that produces sweet oranges with a tree that produces large oranges.

• Cricket frogs prefer to sleep during the day, while red-eyed tree frogs prefer to sleep during the night.

• Pesticides are sprayed in a field, resulting in an increase in crop growth and a decrease in insect population.

• Rabbits with a mutation for longer, thicker fur survive an unusually cold winter, while many normal rabbits do not survive.

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NGSS.MS-LS4-4

Which of the following is true about natural selection?

• Natural selection is the only cause of changes in a species.

• Natural selection usually causes a species to change suddenly.

• Natural selection does not cause a species to change.

• Natural selection usually causes a species to change gradually.

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NGSS.MS-LS4-4

The term that best describes why the moth population changed color over time

• adaptation

• natural selection

• mutation

• predator-prey

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NGSS.MS-LS4-4

Why are advantageous traits more likely to be passed onto offspring?

• Because they are more likely to survive and reproduce.

• Because they come from dominant alleles.

• Because they come from recessive alleles.

• Because the trait is an acquired phenotype.

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