All birds fertilize their eggs internally. A male bird has to mate with a female in order for a fertilized egg to be produced.
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 external not internal external not
Clams utilize external fertilization.
Salmon use external fertilization
Reptiles ONLY have internal fertilization
no (JP MAURYA)
Yes, grasshoppers have internal fertilization.
external