They are external because they are never looked after.
that doesnt make sense i think a cod is internal
They Have Internal Fertilization
internal fertilization
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
Clams utilize external fertilization.
External Fertilization
internal external not internal external not
no (JP MAURYA)
Reptiles ONLY have internal fertilization