Actually,the chicken,dog,cat,turtle,and the mosquito fertilize internally.
GiraffesElephantsRhinosPenguinsOrangutansWhalesSnakesTurtlesChickenMosquito
internally
Fish and amphibians are two groups of animals that typically fertilize externally. They release their eggs and sperm into the water to fertilize externally rather than 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
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.