Small pieces or fragments of rock found within a rock layer are called “inclusions”. These inclusions are always _?_ than the rock layer they are in.

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.

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explanation:

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