Cnidarians have ___________ with cnidocytes.

Sponges can reproduce sexually because

_____________-describes materials moving from an area of high concentration to an area of lower concentration.

Pseudo means

Portuguese Man-O-War, are in reality, one large colony of polyps

____________form the support structure of the skeleton and can be calcium (calcareous) or silicon (siliceous) based.

What terms means NO tissues or organs?

An intracellular structure made of a fluid-filled capsule holding a coiled, hollow tube is the 

A type of venomous cell that Cnidarians possess is

Class Monogenea have