Darwin’s theory of evolution
explain the concept of "survival of the fritest."

Survival of the fittest is where the most adapted or best well suited animal will survive and thrive.

Explanation:

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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.