Internal - they're mammals.
Platypus fertilisation occurs internally.
Several diagrams of the platypus - both external and internal - can be found at the related link below.
internal. the male needs to 'mate'with the female
how does the mourning show internal and external responses to its environment
They are receptors.
reflexes
internal external not internal external not
its internal
Responses or reactions we make or activities we engage in.- Association between stimulus (S) and response (R). - [(S) and (R) can be internal/ external]
Giraffes have internal fertilization. Giraffe gestation lasts 400 to 460-days. The mother gives birth standing up to a single calf. The mother then grooms the newborn and helps it stand up.
Is a salmon internal or external?