Internal because they give birth and not lay eggs. If they lay eggs, they would be like a chicken.
~Savannah B.
Think about it .. do monkeys lay eggs?
No they don't! internal fertilisation occurs and they give birth to live young like other placental mammals! :)
Chimpanzees, like other mammals, practice internal fertilization.
Internal fertilization
External
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