Question

& Dilldifferentiate between oviparity and viviparity​

Answer 1

Answer:

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NEETDifferences Between Topics in NEETDifference Between Oviparous and Viviparous Animals

Difference between Oviparous and Viviparous Animals

Fertilization is the phenomena, part of life process – reproduction where male and female gametes unite forming a structure known as zygote which eventually develops into the foetus. The animal kingdom has species undergoing the process of fertilization in two ways – one where fertilization takes place externally, where the sperm-egg fusion occurs outside the female body known as external fertilization and the other is where the sperm-egg fusion occurs inside the female body, this is known as internal fertilization. On this basis, animals are categorized into oviparous and viviparous animals.

Answer 2

Answer:

Oviparous animals are:-

1. These entities are egg-laying.

2. Internal fertilization observed, but the development of the embryo is through external means.

3. Hard shells of eggs render protection, once foetus matures, egg hatches.

4. This feature of egg-laying animals is referred to as oviparity.

5. Example – Birds, frogs, all fishes. Except for some snake species all other reptiles are oviparous, platypus and Echidna are egg-laying mammals.

Viviparous animals are:-

1. Animals giving birth to offspring are known as viviparous animals.

2. Development of the embryo and fertilization both occurs inside the female body.

3. Matrotrophy is observed.

4. Example – Dogs, cat, humans etc.

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