Chapter 7 (part II) Practice Quiz

Which of the following animals prey on giant squid?

• sperm whales

• emperor penguins

• king crab

• giant octopi

Which of the following statements regarding squid is false?

• squid can change color

• squid have a donut shaped brain

• squid have 3 hearts

• squid cannot tolerate cold temperatures

• squid tentacles are mainly for capturing prey

Describe the basic cephalopod body plan, then select 3 of those body plan structures and explain what the function of the structure is.

What is a nautilus and how is it different when compared to a squid or octopi?

Pearls, urchin spines, clam shells, and hard corals are all made of calcium carbonate.

• True

• False

On an oyster reef, what two conditions trigger an oyster to spawn?

• decreasing daylight

• increased pH

• flooding from rivers

• increase in temperature

• salinity

Describe how a pearl is formed.

Describe how a bivalve feeds. Be sure to include the necessary anatomical structures and what it feeds on.

What is the ecological role and importance of crustaceans?

If you wanted to start a business raising shrimp to be eaten by humans, what sort of biological considerations would you have to control for in order to grow healthy shrimp in captivity?