Question

Give two advantages and one disadvantage of internal fertilisation

Answer 1

Answer:

Advantage

Internal fertilization has the advantage of protecting the fertilized egg from dehydration on land. The embryo is isolated within the female, which limits predation on the young. Internal fertilization also enhances the fertilization of eggs by a specific male.

Disadvantage

Environmental hazards such as predators reduce the change of surviving into adulthood. Large amounts of gametes go unfertilised and wasted. Not guaranteed that sperm will come in contact with eggs.

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