Elephants have reproductive systems just like any other mammal.
internally
Actually,the chicken,dog,cat,turtle,and the mosquito fertilize internally.
All reptiles fertilize internally
internally because they need time to hatch them
Koalas do not fertilize their young. They fertilize each other (internally) to produce young.
yes
Guppies are fertilised internally they are livebearers.
internal
A deer is a mammal, so reproduction is done internally.
Amphibians fertilize their eggs externally.
externally
true