Click on the radio button in front of the correct answer:
1. Sponges have these all over their bodies:
Feathers Pores Scales
2. Sponges mainly live
In oceans and seas In volcanoes On mountains
3. Sponges are more than one cell
True False
4. Sponges circulation consists of
a heart and blood vessels Just a heart Canals going to all cells
5. When two living things live off of each other this is called
Competition Symbiosis Reproduction
6. A sponge has
Asymmetry Radial Symmetry Bilateral Symmetry
7. Which of these is not a use of sponges by man?
For sponges For medicine For building materials
8. The sponge skeleton is made of
Chitin Calcium Lime