Animals that give birth to the young ones are called

Explanation-

Oviparous animals- They are those animals that lay their eggs, female laying eggs do not show any embryonic development within them. For example-eggs of birds, hens.

Viviparous animals- They are those animals that give birth to the young ones, here fertilization and embryonic development take place inside the body of the animals. For example-Humans, dogs, and cats.

Ovi-viviparous animals-They are those animals that lay eggs inside the body, eggs hatch inside the female body and are nurtured within the body but no placental appendage is seen. For example-sharks, rays, snakes.


Final Answer-

So, The correct option is B (viviparous).