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CBSE Class 9 Answered

Write the characteristics of the following :- jellyfish, Kingdom, animalia
Asked by ompadale0 | 26 Nov, 2018, 06:16: PM
answered-by-expert Expert Answer

Jellyish belongs to phylum Coelenterata (Cnidaria), kingdom Animalia.

Characteristics of coelenterates:

  • Have a two-layered body wall which encloses a single cavity in which digestion takes place.
  • Possess a body cavity which opens by a mouth at one end only.
  • There are finger-like projections called tentacles present near the mouth for catching food.
  • Nervous system is primitive; has only a network of nerve cells.
  • Corals develop hard exoskeletons made of lime or calcium carbonate from their secretions. These structures are not bones.
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