Mollusks

Question 1

Mollusks

Answer 1

Squids, Octopuses, Slugs, Clams, Snails

Question 2

Body plan

Answer 2

Soft body protected by a hard calcium-containing shell

Question 3

Circulatory system

Answer 3

-Open circulatory system with blood-filled spaces called hemocoels/sinuses

Question 4

Hemocoels

Answer 4

• Sinuses

- Body cavities for exchange for nutrients and wastes

Question 5

3 Distinct Body zones that all mollusks share?

Answer 5

• Bilateral Symmetry
  1. Head-foot
  2. Visceral Mass
  3. Mantle

Question 6

Head-foot

Answer 6

Contains both sensory and motor organs

Question 7

Visceral mass

Answer 7

COntains organs of digestion, excretion, reproduction

Question 8

Mantle

Answer 8

A specialized tissue that surrounds the visceral mass and secretes the shell