Phylum Mollusca Flashcards
1
Q
what groups comprise mollusca?
A
snails clams scallops squids octupuses
2
Q
characteristics of mollusca
A
- coelomates
- triploblastic
- protostome
- hydrostatic skeleton
- shell composed of calcium carbonate
- have a muscular “foot”, visceral mass (region with internal organs), and a mantle
3
Q
class polyplacophora
A
-chitons
4
Q
class bivalvia
A
-shellfish (oysters, clams, scallops)
5
Q
class gastropoda
A
- snails
- slugs
6
Q
class cephalopoda
A
- squids
- octopuses
- cuddlefish
7
Q
what are radula?
A
tiny teeth that scrape food and pull it into the mouth
