Answer:
Fertilization
Explanation:
Fertilization may be defined as the process of formation of zygote by the fusion of male and female gamete. Fertilization is an important event of the sexual reproduction.
The haploid stage (gametes) that fuse together and forms the diploid stage (zygote) in alternation of generation. The zygote is the individual offspring of the result of fertilization.
Thus, the correct answer is option (3).
They divide the amount of people by square miles
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