Natural Selection

A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called

• Natural Selection

• Selective Breeding

• Random mutations

• Variations in a species

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The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n

• Variation

• Dominant trait

• Recessive trait

• Adaptation

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Why might it be helpful for a species to have a lot of variations?

• They can't be seen by predators

• If the environment changes, they might be better able to adapt

• It is helpful in asexual reproduction

• They don't recognize each other

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Changes in inherited characteristics can cause a species to change into a new one. This change over time is called?

• Graduation

• Selective Breeding

• Revolution

• Evolution

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On the Galapagos Islands, different finches evolved on different islands to fit their environment. When a species develops unique traits because it is trapped in one area this is called:

• Geographic isolation

• Geologic separation

• General relocation

• Genetic differentiation

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Which beak is probably best suited to crack open nuts?

• 1

• 2

• 3

• 4

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Heredity is:

• Survival of the fittest

• The passing of genetic traits from parent to offspring

• Believing in false gods

• Unexplained

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Another term for Natural Selection is:

• Breeding

• Commensulism

• Communism

• Survival of the fittest

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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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A physical trait favored by an environmental change can be called an

• adaptation

• extinction

• possibility

• mutation

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