The answer really stares you in the face it is internal fertilisation.
yes the eggs are fertilized internally
Arctic foxes have internal fertilization.
Fertilization occurs internally. The fertilized eggs are then released and mature externally.
the answer to this question is internally for most newts, including all Western types.
All foxes are mammals and reproduce internally.
Many types of sharks have their eggs fertilized internally while others have theirs fertilized externally
Oviparous animals are known to lay eggs. Some egg laying species are internally fertilized while some are externally fertilized.
Country which is independent both internally and externally
Externally.
internally
internally
internally.