testicals.... that is all
No, flatworms typically reproduce through external fertilization. The male releases sperm into the water, which then fertilizes the eggs released by the female.
bilateral
bilateral
Flatworms
what type of fertilization does a gecko have
the type of fertilization a sea world is extermal fertilization
Bilateral Symmetry
Frogs have external fertilization.
External fertilization
Bilateral symmetry.
Sharks have internal fertilization through the use of a clasper.
The type of fertilization associated with fish is external fertilization. External fertilization happens when the sperm and egg meet outside of the body. Female fish will lay the eggs and the males will come along and fertilize them.