Yes. The female fish deposits her eggs, and the male covers them with a coat of material containing his DNA contribution.
Certain types of fish have a different ways, but the basic concept is the same.
Amphibians (frogs, toads etc.), birds and fish. NOT REPTILES.
No. A male Betta is needed to spawn out the female and fertilise her eggs.
No - they fertilise internally.
Cats fertilise internally.
No, the platypus does not fertilise its eggs externally.
Aquatic plants help to oxygenate the water - replacing the oxygen that's used by the fish - and the decaying fish waste.
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.
A male guppy will fertilise any female guppy it is in with. Mother,sister, no relation, whatever. It doesn't know and it doesn't care. That is nature.
Fertilise.
with their bum