Chapter 14 Practice Quiz

Which of the following statements regarding corals and zooxanthellae is false?

• Corals can live for a few months without their zooxanthellae

• When a coral bleaches the zooxanthellae die

• Increased water temperature can prompt a bleaching event

• The color of a coral tissue is largely due to the zooxanthellae

Scientifically speaking, a coral’s skeleton is made up of…

• Iron

• Limestone

• Calcium carbonate

• Bone

• Soft tissue

Extra Credit: What is this photo depicting?

When seawater is too warm corals may undergo ____________. This is thought to be a side effect of global warming on the oceans

Which of the following is not a major coral growth form?

• Plate-like

• Tower

• Massive

• Foliaceous

In reference to figure 14.8 the zooxanthellae are receiving ____________and ____________ from _________________.

• O2, H2O, both seawater and the coral polyp

• Sunlight, O2, the coral polyp

• CO2, H2O, both seawater and coral polyp

• CO2, H2O, the coral polyp

• O2, CO2, the seawater

Considering the Hawaiian islands and the Marshall islands, which location would you find populations of coral with the greatest tolerance to increased water temperature

• Hawaiian islands

• Marshall islands

Corals are sometimes harvested with dynamite and then sold for the aquarium trade or for souvenirs.

• True

• False

Which of the following statements regarding the coral documentary ("24 Hours on the Reef") is false?

• Parrotfish are responsible for making the sand found on the reef

• Manta rays feed on plankton

• Fish behavior is best observed while on SCUBA gear

• At night, parrotfish hide from predators by wrapping themselves in mucus

• Damsel fish farm patches of algae

What animal has wiped out many of the coral reefs in French Polynesia? (From the video "24 Hour on the Reef.")

• Hump head wrasse

• Barracuda

• Black lipped oysters

• Crown of Thorns Seastar

• Parrotfish