Hydra belongs to phylum:
Correct answer: C. Cnidaria
- A. Mollusca
- B. Annelida
- C. Cnidaria
- D. Arthropoda
Explanation
Hydra is a genus of small, freshwater organisms belonging to the phylum Cnidaria. Cnidaria includes a diverse group of aquatic invertebrates that also comprises jellyfish, corals, sea anemones, and hydroids.Hydra are simple, predatory animals with a tubular body and a basal disc that allows them to attach to surfaces in freshwater habitats, such as ponds, lakes, and slow-moving streams. They possess specialized stinging cells called cnidocytes, which are found in their tentacles and are used for capturing and immobilizing prey.
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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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