The simple answer is Yes.
internal
Pandas are mammals and reproduce sexually by internal fertilisation.
The answer really stares you in the face it is internal fertilisation.
They don't ! Lizards reproduce by internal fertilisation by the coupling of a male and female.
Internal. Dogs mate through copulation and internal fertilisation, like all mammals (including humans).
Bulldogs can reproduce, as you can get male and female ones, despite what their name suggests. I hope this answer was what you were looking for.
internal
All birds fertilize their eggs internally. A male bird has to mate with a female in order for a fertilized egg to be produced.
external
They use internal fertilisation.
The 2 fertilisation's are external fertilisation, or internal fertilisation. External fertilisation is the type frogs do.
fertilisation