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Which statement best describes a human influence on the biogeochemical cycles?
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Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
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Why do mountaineers become breathless as they reach high altitudes
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Which statement best describes a human influence on the biogeochemical cycles?...
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