Natural Selection

What advantage do giraffes with longer necks have according to the concept of competition?

• They can run faster.

• They can reach more leaves.

• They can swim better.

• They have better hearing.

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NGSS.MS-LS2-1

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What happens to giraffes without long necks according to the principle of natural selection?

• They survive and reproduce.

• They learn to climb trees.

• They die.

• They develop longer necks over time.

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NGSS.MS-LS4-4

What is the reason for the different wing colors in peppered moths?

• Seasonal changes

• DNA mutation

• Age of the moth

• Diet of the moth

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What do peppered moths use for camouflage?

• Dark colored leaves

• The night sky

• Light colored bark, covered in lichens

• Flowers and fruits

Which of the following birds is known to eat peppered moths?

• Sparrows and pigeons

• Flycatchers, nuthatches, and the European robin

• Eagles and hawks

• Parrots and macaws

What environmental change during the Industrial Revolution in England is mentioned in the text?

• The air became cleaner and clearer.

• Dark soot from factories covered the once light trees.

• The number of factories decreased significantly.

• The population of moths decreased.

Which color of moths was observed to be more prevalent in the changed environment?

• Light colored moths

• Dark colored moths

• Red colored moths

• No moths were observed

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NGSS.MS-LS2-4

Why did the light colored moths stand out on the trees, according to the text?

• The trees were also light colored.

• The trees became dark due to pollution.

• The moths changed their color to stand out.

• The moths were originally dark colored.

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NGSS.MS-LS2-4

What was the survival advantage of dark colored moths over light colored moths?

• Dark colored moths were faster.

• Dark colored moths were better camouflaged on the dark trees.

• Light colored moths were more attractive to predators.

• Dark colored moths were larger in size.

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NGSS.MS-LS4-4

What happened to the population of dark colored moths in areas of heavy pollution?

• It decreased significantly.

• It remained the same.

• It increased significantly.

• It was completely eradicated.

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