NEET BIOLOGY

Detailed explanation-1: -The phylum Cnidaria (pronounced “nih DARE ee uh”) includes soft-bodied stinging animals such as corals, sea anemones, and jellyfish (Fig. 3.23 A). The phylum’s name is derived from the Greek root word cnid-meaning nettle, a stinging plant. Cnidarians are found in many aquatic environments.

Detailed explanation-2: -Cnidarians are soft-bodied animals that include corals, jellyfish, and sea anemones. These soft-bodied animals have saclike digestive cavities and tentacles containing rows or stinging cells used for defense and capture of food.

Detailed explanation-3: -“Corals, anemones, things we call hydroids, sea pens, and jellyfish, ” lists Dr. Ames. They all belong to the phylum Cnidaria (pronounced ny – DARE – ee-a). A phylum is one of the large groupings used in taxonomical classification to refer to a group of creatures that has evolved from a common ancestor.

Detailed explanation-4: -The Cnidaria phylum includes organisms that are among the most venomous animals. The Anthozoa class includes sea anemones, hard corals, soft corals and sea pens. The composition of cnidarian venoms is not known in detail, but they appear to contain a variety of compounds.