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D. Common house spiders need to eat insects to live.
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Selective breeding is when humans use animal breeding and plant breeding to create phenotypic characteristics by picking which animal or plant genders will reproduce together.
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Physical change only change the appearances of a substance, not it’s chemical composition. Chemical changes cause an entirely new substance with new chemical formula.
Microevolution<span> happens on a small scale (within a single population), while </span>macroevolution<span> happens on a scale that transcends the boundaries of a single species. Despite their </span>differences<span>, evolution at both of these levels relies on the same, established mechanisms of evolutionary change: mutation.</span>
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An understanding of biology can help you make choices and decisions that affect your health. Biologists and other scientists research environmental issues such as pollution, biodiversity,land conservation, and natural resource use.
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