Sperm had to swim from what to what reproductive organs for zygotes to occur.
barnacles male to female animals ocean water male to male mouth of rivers female to male female to female
A B C D E F G H
If fertilization occurs, the fertilized eggs are now described as pre-embryos or zygotes.
Sperm had to swim from male to female reproductive organs for zygotes to occur.
Sperm had to swim from what to what reproductive organs for zygotes to occur. (A) barnacles (B) male to female (C) animals (D) ocean water (E) male to male (F) mouth of rivers (G) female to male (H) female to female