Actually,the chicken,dog,cat,turtle,and the mosquito fertilize internally.
GiraffesElephantsRhinosPenguinsOrangutansWhalesSnakesTurtlesChickenMosquito
internally
There are a great number of characteristics that animals posses that can help them reproduce. The ability to fertilize internally is one of them.
All reptiles fertilize internally
Koalas do not fertilize their young. They fertilize each other (internally) to produce young.
yes
Guppies are fertilised internally they are livebearers.
internally because they need time to hatch them
internal
A deer is a mammal, so reproduction is done internally.
Amphibians fertilize their eggs externally.
externally