Natural Selection and Evolution

Darwin theorized that organisms with traits that are best suited to their environment will ________________

• increase in number

• become extinct

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The white feathers of a snowy owl allow it to blend in with its environment during the winter months (snow). This is an example of ________________

• Species
• Environmental Change
• Adaptation
• Variation

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Genetic differences between organisms of the same species is referred to as ______________

• Variation

• Adaptation

• Behavior

• Environment

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What is the advantage of Darwin's finches having different shaped beaks?

• To look different from other species.

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

• To protect itself against predators.

• To protect itself against prey.

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What is another name for natural selection?

• survival of the smartest
• survival of the fastest
• survival of the biggest
• survival of the fittest

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Predict which moth would be expected to increase in population

• light

• dark

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An inherited trait that helps an organism survive is a(n) __________.

• Fossil

• Adaptation

• Ancestor

• Natural selection

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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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Which is necessary for speciation to occur?

• adaptation
• mass extinction
• isolation
• acquired traits

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Which continent do scientists believe the human species started?

• Europe

• America

• Africa

• Asia