What would happen to the other organisms if the killer whales migrate to other water to hunt and fail to return ?

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both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.

well, i believe that the answer is 2. : 3