These give rise to nematocysts in Cnidaria.
Correct answer: A. Cnidocytes
- A. Cnidocytes
- B. Gastrozoids
- C. Hydrozoa
- D. Mesoglea
Explanation
Option A is correct since Cnidocytes are the stinging cells that have nematocysts in them and poke them out on being stimulated.
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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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