Are whales viviparous or oviparous?

Most mammals are viviparous in nature. Platypus (Ornithorhynchus) and Echidna (Tachyglossidae) are oviparous mammals. Whales and bats are viviparous animals.

Is Whale a Ovoviviparous?

Their eggs hatch inside the mother shark. Whale sharks are ovoviviparous. Unlike most marine animals that lay their eggs, the eggs of a whale shark hatch within the parent in the form of egg capsules.

Are all whales viviparous?

Whales are mammals and are nourished in the womb through an umbilical cord. Whales even have a belly button after birth (this is the place where the umbilical cord was attached to). Whales are viviparous, they give birth to live young (unlike fish, most of which lay eggs).

Is viviparous oviparous or Ovoviviparous?

The key difference between oviparity, ovoviviparity and viviparity is that oviparity is the trait of laying eggs, while ovoviviparity is the development of embryos inside eggs that are retained within the mother’s body until they are ready to hatch, and viviparity is giving birth to young ones directly.

What animals are viviparous?

Animals such as human beings, cows and dogs which give birth to young ones are called viviparous animals. Animals such as hen, frog, lizard and butterfly which lay eggs are called oviparous animals.

Are starfish viviparous?

Starfish have sexual organs, also called gonads, on each of their arms. Therefore, most starfish are oviparous, as the embryos is formed and developed externally. However, there are certain species of starfish, like the Patiriella vivipara, that are viviparous as their young develop within the gonads of their parents.

Is Whale Shark viviparous?

Oviparous species include the Port Jackson shark and the lesser spotted dogfish. Viviparous species give birth to live young. Whale sharks are ovoviviparous. This is known from a single pregnant female that was caught in 1995 off the coast of Taiwan.

Which animal is ovoviviparous?

Ovoviviparous animals are born live. Some examples of ovoviviparous animals are sharks, rays, snakes, fishes, and insects.

How can you identify the animal is viviparous or oviparous?

Answer : If an organisms give birth to fully developed young ones they are identified as viviparous. Whereas organism who lay eggs and is hatched in external environment are identified as oviparous.

Which of the following animal is not viviparous?

So, the correct answer is, ‘Platypus. ‘