Mollusks Flashcards
1
Q
Mollusks
A
Squids, Octopuses, Slugs, Clams, Snails
2
Q
Body plan
A
Soft body protected by a hard calcium-containing shell
3
Q
Circulatory system
A
-Open circulatory system with blood-filled spaces called hemocoels/sinuses
4
Q
Hemocoels
A
- Sinuses
- Body cavities for exchange for nutrients and wastes
5
Q
3 Distinct Body zones that all mollusks share?
A
- Bilateral Symmetry
1. Head-foot
2. Visceral Mass
3. Mantle
6
Q
Head-foot
A
Contains both sensory and motor organs
7
Q
Visceral mass
A
COntains organs of digestion, excretion, reproduction
8
Q
Mantle
A
A specialized tissue that surrounds the visceral mass and secretes the shell