2. Give examples and explain what is meant by external fertilization ?
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2. Give examples and explain what is meant by external fertilization ?
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Answer:
External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. ... Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes..
Explanation:
External fertilization is a mode of reproduction in which a male organism's sperm fertilizes a female organism's egg outside of the female's body. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes.
Example,
in case of frogs , fertilization takes place in water medium . the female releases eggs in the water at the same time sperms are released too.