Question

how are the tentacles of ctenophore different from cnidaria?
a. ctenophore have colloblasts while cnidaria have cnidocytes
b. ctenophore do not use tentacles to catch prey
c. ctenophore have more tentacles than cnidaria
d. ctenophore and cnidaria tentacles are exactly the same

Explanation:

Ctenophores have colloblasts on their tentacles which are adhesive cells for capturing prey. Cnidarians have cnidocytes on their tentacles which contain stinging organelles called nematocysts. Ctenophores do use tentacles to catch prey, the number of tentacles can vary greatly in both groups and they are not exactly the same.

Answer:

A. Ctenophore have colloblasts while Cnidaria have cnidocytes