Natural Selection

What has to change so that adaptation can take place?

• They must find a new mate

• Their environment changes

• A species must either survive or die off

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What can happen to a species over time if some of the organisms have an advantage?

• The population will decrease

• The population will become extinct

• The population will slowly increase

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Why do peppered moths tend to be the same color as the trees on which they live?

• The coloring goes along with tasting like the tree. 

• It keeps the moth the same temperature as the tree. 

• It makes the moths faster than the birds

• It makes the moths harder to see.

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NGSS.MS-LS4-4

Why is the mouse population changing over time?

• The light mice can reproduce more successfully than the dark mice

• The hawks eat more dark mice than light mice because the dark mice taste better

• The hawks eat more light mice than dark mice because they can see the light mice more easily

• The hawks eat more dark mice than light mice because they can see the dark mice more easily

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According to natural selection, light colored tree trunks would favor

• light colored moths

• dark colored moths

• red colored moths

• red and light colored moths

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There is a species of beetle that has two variations in the population: brown beetles and green beetles. About 82% of all brown beetles survive to adulthood while only 31% of green beetles survive to adulthood. Which of the following statements is true about the fitness of these beetles?

• The green beetles have higher fitness

• The brown beetles have higher fitness

• The green beetles have more adaptations

• The brown and green beetles have the same level of fitness

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NGSS.MS-LS4-4

Why did the population of peppered moths in England change from light to dark after the Industrial Revolution?

• Light moths were easy to see against sooty trees and were eaten

• Light moths were killed by soot

• The birds that ate the dark moths were killed by soot

• Dark moths were produced by industrial processes

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Which trait did Darwin pay most attention to about the finches in the galapagos islands?

• Their Feathers

• Their Horns

• Their Size

• Their Beak Shape

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If an organism can't adapt fast enough, this might happen.

• hibernate

• stay the same

• live longer

• become extinct

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Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin

• Albert Einstein

• Steven Hawking

• Isaac Newton

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