Molluscs Flashcards
1
Q
Name 4 classes of Mollusca
A
Polyplacophora - chiton
Gastropoda - snails n’ slugs
Bivalvia - mussels n’ cockles
Cephalopoda - squids n’ octupuses
2
Q
What are the 3 main structural components of mollusca?
A
Foot, visceral mass and mantle
3
Q
What is the ‘Centre of Commerce’?
A
Mantle secretes shell, encloses a mantle cavity
4
Q
What is the name of the toothed structure used for feeding?
A
Radula
5
Q
What is the name of the gills in the mantle cavity?
A
Ctenidia
6
Q
What occurs during the development of gastropods?
A
Torsion, visceral mass twists 180
7
Q
What generate camouflage in cephalopods
A
Chromatophores
