Ques:Q: Which is the ultimate energy source in a bear's food chain? Choices: - decomposers - plants - heat - sun A:

Ans:sun
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Ques:Q: Reproduction that doesn't involve a male gamete is also known as what? Choices: - meiosis - mitosis - asexual reproduction - agamogenesis A:

Ans:agamogenesis
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Ques:Q: What kind of succession occurs in an area that has never before been colonized? Choices: - addition succession - secondary succession - support succession - primary succession A:

Ans:primary succession
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Ques:Q: What kinds of cells that are important to our physical functioning can atrophy when they are not used? Choices: - reproductive - brain - digestive - muscles A:

Ans:
muscles
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