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Reproduction in Animals
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28/04/2021 3:12 pm
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Differentiate between internal fertilisation and external fertilisation.
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28/04/2021 3:14 pm
Internal Fertilisation:
(i) The fusion of male gamete or sperm and female gamete or ova occurs inside the body of a female partner, such as human beings, birds, and mammal.
(ii) The female partner lays either fertilised eggs or a fully grown young one.
(iii) Off springs have a high chance of survival.
External Fertilisation:
(i) The fusion of male gamete and female gamete takes place outside the body of a female partner, such as in frog, fish and starfish.
(ii) The female partner discharges unfertilised eggs.
(iii) Off springs have a low chance of survival.