Why do bacterias only have one parent and not two like humans?

Hmm, I think it's because bacteria is asexual, meaning it can reproduce on it's own.

Frog is rorangutan is krhino is kfly is rshark is kremember! "k"aring kangaroo, "r"apid rabbit. rabbits have lots of babies at once and focus on numbers rather than quality. kangaroos have one at a time and focus on quality rather that numbers. also, rabbits go into heat very often, kangaroos do not go into heat that often. (a little tip from my bio teacher mr. kelly)