An organism that does not move. It remains attached to one place.

Collar cells that line the body cavity and have flagella that circulate water in sponges.

Flexible material that makes up the skeleton of some sponges.

Openings or holes in the surface of a sponge.

An individual that functions as both male and female in sexual reproduction by producing both sperm and eggs.

The large central cavity of a sponge.

A large opening on a sponge through which filtered water is expelled.

Structure B is a

Structure G is a

Structure I is the

Calcareous sponges have spicules made of

Oooooh.....who lives in a pineapple under the sea?

This is the jellylike extracellular matrix in a sponge.

Spongin are _________.

Spicules are ____________.