Question

Animal with cnidoblasts with examples.

Answer 1

Cnidoblasts or nematocysts is venomous cells possess by animals belonging to phylum Cnidaria. This cnidoblast cell helps the animal to capture prey or to defend themselves from predator. Venom produce by cnidoblasts are neurotoxic which immediately paralyzes the mobile prey.

Examples: Corals, Sea anemones, Jellyfish etc.

Answer 2

Cnidoblasts or cnidocytes contain stinging capsule or nematocysts present on the tentacles of the body of Coelenterates.
Cnidoblasts are used for Anchorage, defence and for the capture of prey.

Example of Coelenterates
Physalia (Portuguese man of war)
Adamsia (sea anemone)
Pennatula (sea-pen)