Natural Selection STAAR

Do organisms "decide" to evolve and change?

• Yes, they know they need to change to survive 

• No, they change because of natural selection

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NGSS.MS-LS4-4

A green rat snake that lives in the grass and a brown rat snake that lives in the desert is a form of ______________.

• Human Genetic Modification

• Selective Breeding

• Natural Selection

• Artificial Breeding

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NGSS.MS-LS4-4

Which word best describes the following definition? The process by which individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.

• Trait

• Generation

• Adaptive Trait

• Natural Selection

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NGSS.MS-LS4-4

How did the environment change between time 1 and time 2? How did the population change?

• You cannot tell how the environment changed. With each generation, more squirrels passed on the gene for black fur to their offspring.

• There were more black trees. Squirrels with black fur are more likely to survive, so the squirrels with gray fur changed to have black fur.

• There were more black trees. Squirrels with black fur are more likely to survive, so both types of squirrels passed on the gene for black fur to their offspring.

• There were more black trees. With each generation, more squirrels with black fur survived long enough to pass on the gene for black fur to their offspring.

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The phrase "Survival of the Fittest" would best describe...

• Natural selection

• Artificial selection

• Selective breeding

• None of the above

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NGSS.MS-LS4-1

Who was the naturalist that traveled the world to study plants and animals?

• Albert Einstein

• Charles Darwin

• Charles Barkley

• Isaac Newton

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NGSS.MS-LS4-2

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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NGSS.MS-LS4-4

A fox with thicker fur than average would have a survival advantage over other foxes if:

• There is more competition for food in the fox population.

• The air temperature significantly decreases in winter.

• A drought occurs, limiting the amount of water available.

• A new disease appears that infects the foxes.

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What is the advantage of having different shaped beaks?

• To look different from other species.

• To protect itself against predators.

• To protect itself against prey

• To be able to eat the food readily available in the environment.

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How does waterproof feathers help penguins survive in the Antarctic. (Choose all that apply)

• Helps keep them warm and dry

• Helps them blend in

• Helps them swim in cold waters

• Helps them see further in cold weather

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