Asked in Premeth past paper pool — Biology

The CORRECT sequence of stages (from I to V) in the life cycle of a cnidarian which shows alternation of generation is:

Correct answer: A. Option A

  • A. Option A
  • B. Option B
  • C. Option C
  • D. Option D

Explanation

The correct order is polyp, medusa, egg, planula larva, polyp because the polyp produces medusae, the medusa releases eggs, the eggs develop into planula larvae, and the planula settles to form a new polyp.So option A is the correct option.The rest of the options are incorrect because they do not follow the proper sequence of the life cycle.

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About Kingdom Animalia

Animals are multicellular, heterotrophic eukaryotes whose cells lack cell walls and chloroplasts, with specialised tissues in most groups. Coverage includes body symmetry, tissue layers, coelom, segmentation and levels of organisation, plus major phyla such as Porifera, Cnidaria, Platyhelminthes, Annelida, Arthropoda, Mollusca and Chordata.

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