No, crayfish use claws and force to defend themselves
The stinging cells in a jellyfish are located in it's tentacles.
No, most cnidarians have stinging cells, not sponges.
Stinging cells are cells that "sting" and pour toxins into the bloodstream, and tentacles are long appendages that have no relation whatsoever to stinging cells.
Usually stinging cells belong to the phylum Cnidaria
Ctenophores are gelatinous creatures with rows of cilia for movement and lack stinging cells, while cnidarians have stinging cells called cnidocytes. Ctenophores also have a simpler body structure compared to the more complex body plans of cnidarians, which include jellyfish, corals, and sea anemones.
Stinging Cells
The stinging cells in the hydra is what helps it paralyze its prey. Once it uses its stinging cells to paralyze it, the hydra then uses its tentacles to push into itsslef considering that its only one cell layer thin.
Yes.
no
No, crayfish use claws and force to defend themselves
Stinging Cells
Stinging cells are found in phylum Cnidaria (hydra,jelly fish).These are present for defense of these animals along with nematoblasts(these are present for attack or offense)