Question

why is external fertilization common in aquatic aninals​

Answer 1

HeYa♡

Answer----)

• External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water.
• The trigger for egg and sperm release (spawning) causes the egg and sperm to be placed in a small area, enhancing the possibility of fertilization.

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Answer 2

1. The offspring produced are higher in number.

2. Less amount of energy is required to find a mate.

3. Less competition between offspring and their parents.