Why the survival of organisms is more in the case of internal fertilisation?

Dear student,
Please find below the answer:

In internal fertilisation, the eggs are protected in the female body. The organisms exhibiting internal fertilization produce fewer eggs as the chances of fertilisation are high. This is due to the fact that the embryo is protected inside the mother's body and there are no chances of predation. The embryo gets proper nourishment from the mother's body.

Hope this clears your doubt.
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