Question

What is the difference between viviparous animals and oviparous animals ?

Answer 1

The main difference between oviparous and viviparous animals is that oviparous animals do not undergo any embryonic development inside the mother whereas viviparous animals develop into a young animal inside the mother.

This means oviparous animals lay eggs. ... Most mammals are viviparous animals.

Oviparous, viviparous and ovoviviparous......

Answer: Oviparous animals lay eggs (e.g. birds), while viviparous animals give birth to their young ones (e.g. humans, cats, dogs).

Oviparous animals are animals that reproduce by laying eggs. This is how most fish, amphibians, reptiles, insects, and arachnids reproduce.

All birds and monotremes also reproduce like this. The eggs that of most animals that live on land are protected by hard shells.

Birds, insects, reptiles, amphibians, and fish falls under the category of oviparous, as they lay eggs and give rise to more of their kind, in order to increase their generation.

While mammals like humans, cats, dogs, lions, tigers, etc are said as the viviparous, as they directly give birth to the young ones.

Answer 2

Viviparous animals:

• This type of animals develop into young ones.
• In this type, the animals are given birth.
• It only undergoes internal fertilisation.
• Embryo development takes place inside animals.
• Embryo gets food and oxygen from mother.
• The chances of survival of egg is more.
• Example: mammals.

Oviparous animals:

• This type of animals lay egg and hatches young ones.
• In this type, animals lay fertilised or unfertilised egg.
• It undergoes external or internal fertilisation.
• Embryo development takes place outside animals.
• Embryo gets food from egg yolk and oxygen through protective shell from environment.
• The chances of survival of egg is less.
• Example: reptiles.