Phylum Mollusca

Question 1

what groups comprise mollusca?

Answer 1

snails
clams
scallops
squids
octupuses

Question 2

characteristics of mollusca

Answer 2

• coelomates
• triploblastic
• protostome
• hydrostatic skeleton
• shell composed of calcium carbonate
• have a muscular “foot”, visceral mass (region with internal organs), and a mantle

Question 3

class polyplacophora

Answer 3

-chitons

Question 4

class bivalvia

Answer 4

-shellfish (oysters, clams, scallops)

Question 5

class gastropoda

Answer 5

• snails

- slugs

Question 6

class cephalopoda

Answer 6

• squids
• octopuses
• cuddlefish

Question 7

what are radula?

Answer 7

tiny teeth that scrape food and pull it into the mouth