Question

why external fertilisation is very common in aquatic animals?pls Ans it for 90 points.... ​

Answer 1

Answer:

Hey,

External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water. After the sperm reaches the egg, fertilization can then take place. ... External fertilization in an aquatic environment protects the eggs from drying out.

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Answer 2

Answer:

YES . AS THEY ARE NOT ABLE TO DO INTERNAL FERTILIZATION. THEY REALISE THE SPERM IN WATER AND SOME OTHER GET IT FOR FERTILIZATION. AND THIS PROCESS IS DONE BY PISCES AND AMPHIBIANS.