Q.

Metagenesis refers to

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a

occurrence of a drastic change in form during postembryonic development

b

presence of a segmented body and parthenogenetic mode of reproduction

c

presence of different morphic forms

d

alternation of generation between asexual and sexual phases of an organism

answer is D.

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Detailed Solution

Metagenesis refers to alternation of generation between asexual and sexual phases of an organism.

 Polymorphism is presence of different morphic forms.

 Parthenogenesis is a form of reproduction in which an egg can develop into an embryo without being fertilized by a sperm.

 Presence of a segmented body is a phenomenon called metamerism.

 Post embryonic developmental change is called metamorphosis. It may be called regeneration or aging in some.

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