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The pollen tube enters into the ovule through the micropyle.

Ep in the transport and storage of the sperm cells that are produced in the testes. It also brings the sperm to maturity, since the sperm that emerge from the testes are immature and incapable of fertilization.

Overall asexual is faster and easier than sexual reproduction, because another partner is not needed, and doesn't have to be found. Another advantage of asexual reproduction is that the animal or pollen grains doesn't have to travel in order to propagate the species, which means it can conserve energy and be more discreet. Asexual reproduction doesn't allow any type of genetic variation hence any mutations or "bad" qualities will not be passed on. Asexual reproduction is more reliable than sexual, because there are less steps to follow and therefore less can go wrong.