Natural Selection

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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Over the years, white mice became extinct and darker mice survived. This is

• stabilizing selection

• directional selection

• disruptive selection

• due to exercise

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

• adaptation

• extinction

• possibility

• mutation

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Average phenotypes are favored in the environment, while extremes have lower survival rates.

• seasonal selection

• distruptive selection

• directional selection

• stabilizing selection

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Two populations of the same species are separated by land barriers like rivers or mountains.

• geographical isolation

• temporal isolation

• adaptive ratiation

• behavioral isolaton

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All the possible gene combinations in a population.

• allele

• gene pool

• genome

• mitosis

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The frequency that single genes (alleles) for a trait appear in a population.

• Genome

• Gene frequency

• Genetic Drift

• Population Frequency

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Organisms of the same species can no longer interbreed therefore creating two species.

• Gene Pool

• Genetic Drift

• Gene Frequency

• Speciation

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Survival of the Fittest and Evolution were proposed by what scientist?

• Charles Darwin
• Albert Einstein
• Steven Hawking
• Isaac Newton

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What is the advantage of 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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