Eggs are fertilized inside the hen by the rooster. Hens will lay eggs whether they are fertilized or not.
External
heart racing internal or external
Not at all. Chickens do not need to mate to lay eggs, but they must mate in order for these eggs to be fertile, i.e. able to hatch into chicks.
external
can some one write the reason for why external or internal?
Internal. Dogs mate through copulation and internal fertilisation, like all mammals (including humans).
no, they mate with roosters,(male chicken)
internal external not internal external not
Internal. A virgin queen goes out on a mating flight about 5 days after she hatches and mates with several drones (male bees) which fertilizes all the eggs that she produces throughout her life. She never has to mate again.
All birds fertilize their eggs internally. A male bird has to mate with a female in order for a fertilized egg to be produced.
Polar bears mate and carry out a pregnancy. A mother will usually give birth to two cubs at a time.
its internal
Is a salmon internal or external?
What is internal and external sources?
External
internal
external