Q.

Earthworms exhibit

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a

internal fertilization and direct development

b

internal fertilization and indirect development

c

external fertilization and direct development

d

external fertilization and indirect development

answer is C.

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Detailed Solution

In earthworm, fertilization is external and takes place in the cocoon. Though it is inside the cocoon it must be considered external fertilization as it occurs outside the body of earthworm. Development is direct, i.e., without any larval stage.

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