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Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.

Which feature of a human community is similar to a niche in a biological community

One drawback of dams is that they can flood land upstream from the dam and reduce water flow downstream from the dam. a. true b. false