Chapter 15: Section 1

Match it! Select the correct answer from the pull down...Good luck!

The body parts of some inveretebrates are contolled by indiviual groupings of nerve cells called ___.

What cells do sponges have that no other animal has?

Which of the following describes the body plan of a sponge?

Bath sponges have a skeleton made of a special protein called ___.

Digestion of food particles in a sponge takes place in its ___.

The body parts of a jellyfish is the ___, which looks like a ball with tentacles hanging underneath.

Invertebrates make up what percentage of all animals?

Sponges belong to the phylum ___.