In which of the following animals is external fertilization observed? *
Human
Cow
hen
Frog
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3
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Hen is correct answer please followup.
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Among vertebrates, external fertilization is most common in amphibians and fish. Invertebrates utilizing external fertilization are mostly benthic, sessile, or both, including animals such as coral, sea anemones, and tube-dwelling polychaetes. Benthic marine plants also use external fertilization to reproduce.
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