Answer:
A. Sperm are continuously produced by males, while a female is born with a full supply of eggs.
Explanation:
B. Egg cells don't swim, therefore, this is wrong.
C. Sperm swim torward the egg, therefore, this is wrong.
D. Sperm and Egg cells combine to form a embryo, which becomes a human baby, therefore, this is wrong.
Hope this helps! My science class just finished studying cells :3
