What Is Hydra?

Hydra is a fresh-water organism that belongs to the phylum Coelenterata and class Hydrozoa.

They are characterized as tube-shaped organisms with numerous tentacles present on one side of the tube.

Hydra is considered as cnidarians with a radial symmetrical body. Hydra lacks internal organs and developed central nervous system. It possesses special stinging cells, nematocytes, that helps in feeding.

For a detailed understanding of the Coelenterate family, please watch the video - Class 9 - Biology - Diversity in living organisms - Phylum Porifera and Coelenterata. If you face any doubts, you can post in the Tutorix doubt forum. We are eager to resolve your doubts.

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Updated on: 10-Oct-2022

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