No, the platypus does not fertilise its eggs externally.
No - they fertilise internally.
Cats fertilise internally.
internally
Koalas do not fertilize their young. They fertilize each other (internally) to produce young.
Kangaroos fertilise internally. However, development of the tiny joey primarily occurs externally, as it undergoes most of its development in the mother's abdominal pouch.
The egg shell is formed withing the hen and although somewhat porous, not enough for sperm to enter. Fertilization takes place between the ovum and sperm prior to the formation of the completed egg.
because female always get the better things and in this case the female would chose to live
Goldfish don't get pregnant. When a Goldie is in spawning condition a female will get fat with eggs, then "lay" them and the male will fertilise them externally. It's only when a Goldie is a couple of years old and in spawning condition that they get like this.
eggs to fertilise and sperm to fertilise it
On Farmville, you cannot fertilise your own crops. If someone helps on your farm and your plants are not fully grown, they will get the option to fertilise your crops. They can only fertilise five at a time.
Fertilise.