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Metagenesis refers to:
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- Alteration of generation between asexual and sexual phases of an organisms
- Occurrence of a drastic change in form during post-embroyonic development
- Presence of a segmented body and parthenogenetic mode of reproduction
- Presence of different morphic forms
Correct Option: A
Metagenesis is defined as alternation of generation found in phylum cnidaria (eg. Obelia). In this phenomenon one generation of an organism reproduces asexually, followed by a sexually reproducing generation.