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Question generated: Chromosome mutations involve the deletion or duplication of many genes. The effects of chromosome mutations are often much greater than mutations within a single gene, because chromosome mutations

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Question generated: An ocean, a forest, and a grassy meadow are each examples of a complete ecosystem. Complete ecosystems contain only

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Question generated: Astronomers have found evidence for the existence of a super-massive black hole in the center of the giant elliptical galaxy M87. What is thought to cause black holes to form?

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Question generated:
Which organisms form the base of all ecosystems?