Occurrence: Spermatogenesis occurs inside the seminiferous tubules of a testis whereas oogenesis occurs inside the ovary. The product form in spermatogenesis is sperm which is flagellated i.e. motile and the product form in an Oogonium is ovum which is non-motile.
Answer:
Decrease in available living space
Explanation:
If there is no living space left there will be a decrease in the amount of organisms that can live there
The Nucleolus helps function the cell.
