Unit 4 Review: Adaptations

What effect did the Industrial Revolution have on the coloration of the peppered moth AND why would this be considered an adaptation?

• Pollution made the moths darker, helping them blend into the soot-covered environment.

• The moths became lighter to stand out against the polluted environment.

• The moths' coloration did not change; they migrated to avoid pollution.

• The moths developed a new diet to survive in urban areas.

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What are some examples of adaptations that polar bears have developed for living in colder climates?

• Thick fur and a layer of fat for insulation.

• Long ears to dissipate heat.

• Brightly colored fur for camouflage in the snow.

• Long legs for jumping over ice.

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NGSS.MS-LS4-4

How might polar bears have to adapt if the global climate becomes warmer?

• Develop longer fur for additional warmth.

• Migrate to colder regions or adapt to swimming longer distances.

• Change their diet to include more marine animals.

• Shorten their hibernation period.

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Compare the adaptations of the peppered moth and the Galápagos finches by explaining how their adaptations serve different purposes in their respective environments.

• Both adapted for temperature changes, but the finches changed color while the moths changed beak size.

• The moths adapted for camouflage in polluted areas, while the finches adapted beak shapes to access different food sources.

• Both developed stronger wings to escape predators more efficiently.

• The finches adapted for pollution, while the moths adapted for food availability.

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What are the steps in the process of natural selection illustrated by the changes in the peppered moth population during the Industrial Revolution?

• Variation, competition, and survival of the fittest.

• Mutation, migration, and mating rituals.

• Adaptation, extinction, and rebirth.

• Growth, decline, and stabilization.

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