These terms are fairly intuitive. External means outside. Internal means inside. Fertilization occurs when the male gamete (sperm) meets the female gamete (egg).
External fertilization is fertilization that occurs outside the body, whereas internal fertilization is fertilization that occurs inside the body (usually the body of the female).
Fishes, Frog, Turtle .Most amphibians
Because they release their gametes outside their bodies, for fishes, in the water.
The gametes don't meet inside their body.
Sexual intercourse between a man and a woman is an example of internal fertilisation. Mammals all use internal fertilisation in order to breed.
penutbutter
The lion uses the same fertilisation as the human does.
dog
An elephant uses the internal fertilization as the male elephant mounts the female
A dragonfly uses internal fertilization. This means that fertilization happens inside the female body and requires copulation in order to happen.
It is said to be Alive
almost every living organism uses homeostasis to do this
a regulator
A human, any organism that can control its inner environment against the outside environment, unlike the fish.
The cat, like all mammals uses sexual reproduction, with internal fertilization. The foetuses develop inside the mother and the young are born alive.
internal fertilization is, by definition advantageous because it is natural. In Vitro fertilization is advantageous for those who cannot have children naturally because it allows the miracle of birth to occur.
Sexual reproduction is the mode of reproduction for cows. They use internal fertilization which means the egg is fertilized inside the cow.
Whale has internal fertilization,because they are mammals like human. ^_^