Lab 10

Question 1

What is the animal class that has a closed circulatory systems?

Answer 1

Cephalopoda

Question 2

What is the mantle used for?

Answer 2

House the respiratory organs and protect the shell

also secretes the new shell

Question 3

The gastropod’s stomach is their…?

Answer 3

Foot

Question 4

What is the foot used for in the chitons?

Answer 4

capture pray

Question 5

(SHELL LAYERS)

What does the Peristracum do?

Answer 5

it protects the other two layers

Question 6

(SHELL LAYERS)

What is the Prismatic layer for?

Answer 6

Strength and rigidity

Question 7

(SHELL LAYERS)

What is the Nacreous layer called and why is it called that?

Answer 7

Mother of pearl layer. Soft because a mollusk is soft and shell protects it from predation

Question 8

What do the folds do in the lungs?

Answer 8

they increase surface area

Question 9

Ctenidia=___________=____________

Answer 9

Respiratory structures = gas exchange

Question 10

What are the classes of Animals that have an open circulatory system?

Answer 10

Bivalvia
Gastropoda
Polyplacophora