It is external because we all know that fish lay eggs and they lay eggs in their habitat so its meant to say that the fish, develop their embryo inside the egg and also where it is hatch.
they use internal fertilization they use internal fertilization they use internal fertilization they use internal fertilization
Salmon use external fertilization
Salmon use external fertilization
they use external fertilization.
Pythons use internal fertilization.
EXTERNAL
Like all reptile rattlesnakes use internal fertilization. The only vertebrates that use external fertilization are many fish and amphibians.
Dinosaurs were reptiles and like all reptiles, use internal fertilization.
Uhmm they usually use internal and external at the same time..
Lions are mammals, and use internal fertilisation.
Internal
eternal fertilizer is mostly use for tree while internal is for human being