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Question
Differentiate between internal fertilization and external fertilization.
Solution
| Internal fertilization | External fertilization |
| It involves the fusion of the male and the female gamete inside the female body. | It involves the fusion of the male and the female gamete outside the female body. |
| Chances of the survival of the offspring are more. Therefore, a small number of eggs are produced. | Chances of survival of the offspring are less. Therefore, a large number of eggs are produced. |
| Humans, cows, hens are organisms showing internal fertilization. | Fish, frog, starfish are organisms showing external fertilization. |
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