Most are omnivorous. In the polyp stage, they eat free floating marine organisms (plankton), any single cell or small multi-cellular plants and animals, algae, eggs, and juvenile larvae. As adults, most diet on eggs, planulae, small crustaceans, small fish, other jellies, and Ctenophora.
Cnidarians are jellyfish, sea anemones, sea pens, hydras (cnidarian="nettle" in latin, so they have stinging cells). They eat aquatic animals, from protozoa to fish.
small cnidarians and big cnidarians
cnidarians have no nervous system
The cnidarians are in the Kindom family
Yes, cnidarians are invertebrates.
Nope - Cnidarians are marine creatures !
cnidaria(similar to cnidarians)
Cnidarians reproduce asexually and sexually
There is none. Corals are cnidarians.
They provide a habitat for Cnidarians
Cnidarians live in water.
Cnidarians and Sponges are invertebrates