Question : The example of hermaphrodite animal in which cross fertilzation occurs is:
Option 1: Hydra
Option 2: Ascaris
Option 3: Earthworm
Option 4: Silkworm
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Correct Answer: Earthworm
Solution : The correct answer is Earthworm.
Earthworms have both male and female reproductive organs, making them hermaphrodites. They cannot, however, self-fertilize. They instead share sperm with each other during copulation.Cross-fertilization is required for offspring to be produced. This is due to the fact that hermaphrodite sperm and eggs are incompatible. If a hermaphrodite self-fertilized, the offspring would be genetically identical to the parent, which would be harmful to the species.
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