The frogs have external fertilisation. The male gamete (sperm ) & female gamete (ovum ) is released outside the body of female. Gametes are released in large number to assure the fertilisation of at least few eggs.
A Frog does it externally
yes they do
They Have Internal Fertilization
The 2 fertilisation's are external fertilisation, or internal fertilisation. External fertilisation is the type frogs do.
internal fertilization
Butterflies reproduce by internal fertilization and not by external fertilization. Butterflies, like most insects, will then lay the eggs and wait for them to hatch.
Frogs have external fertilization.
external fertalisation
The modes of fertilization vary. Most frogs practice external fertilization, the females laying eggs in water and the males spraying sperm over them. Primitive salamanders have external fertilization, but most have internal fertilization, with the female taking up the male's spermatophore. All caecilians have internal fertilization, and the male deposits sperm in the cloaca of the female by using the end of his cloaca as an intromittent organ.
internal
external fertilization
they use internal fertilization they use internal fertilization they use internal fertilization they use internal fertilization
Internal fertilization is considered more advantageous than external fertilization for various reasons. The unborn baby is protected in the internal fertilization from any external threats.
Salmon use external fertilization