NEET BIOLOGY

Detailed explanation-1: -∙ The animals which give birth to their young ones are called viviparous animals or mammals. Animals like humans, cows, dogs, cats, lions, etc., give birth to their young ones.

Detailed explanation-2: -Oviparous organisms produce their offspring by laying eggs. While viviparous organisms produce offspring by giving birth to young ones. They do not lay eggs.

Detailed explanation-3: -Viviparous animals are those in which fertilization and embryo development occur inside the individual. Humans are viviparous. Mammals such as cows, monkeys, chimpanzees are viviparous.

Detailed explanation-4: -The animals which give birth to young ones are called viviparous.

Detailed explanation-5: -Ovoviviparous animals are similar to viviparous species in which there is internal fertilization and the young are born alive, but differ in that there is no placental connection and the unborn young are nourished by egg yolk; the mother’s body does provide gas exchange.