| A | B |
|---|
| What do all mollusks have in common | mantle, foot, visceral mass, segments |
| Name 3 classes of mollusks | gastropods, bivalves, cephalopods |
| How do Gastropods eat | with a radula |
| How do bivalves eat | through a filter |
| how do cephalopods eat | with jaws or beaks |
| What type of circulatory system does a gastropod have | open |
| What type of circulatory system does a bivalve have | open |
| What type of circulatory system does a cephalopod have | closed |
| what is the only mollusk to have a brain | cephalopod |
| How do gastropods and bivalves move | they have a foot |
| how do cephalopods move | a jet |
| what are the 3 classes of annelids | earthworm, bristle and leech |
| How does an earthworm move | mucus |
| How does an earthworm eat | it eats soil |
| what type of nervous system does an earthworm have | a brain |
| what type of circulatory system does an earthworm have | closed |
