Coral Reefs Quiz (key)

What is the purpose of the tentacles of coral polyps? a. defense b. food capture c. clearing d. all of the above

Fish rely on coral for _______. a. shelter b. food supply c. camouflage d. all of the above

What is the most important reason to continue efforts to preserve coral reefs? a. Coral reefs are a valuable commodity in the aquarium business. b. Coral reefs support a wide variety of organisms. c. Coral reefs are one of the oldest ecosystems. d. Coral reefs are important for marine recreation.

Coral bleaching occurs when a colony of polyps are under stress. Please select the best answer from the choices provided T F

Which of the following can lead to coral bleaching? a. long-term temperature variations b. increased solar radiation c. freshwater dilution d. all of the above

Which of the following statements accurately describes the relationship between coral reefs and aquatic organisms? a. Aquatic organisms have only a predatory relationship with coral reefs. b. Coral reefs provide aquatic organisms with resources but derive no benefits in return. c. Coral reefs provide resources for aquatic organisms and derive resources from other organisms as well. d. Aquatic organisms live independently of coral reefs.

Which of the following is true of coral? a. It is located in deep sea regions. b. It supports few species. c. It is composed of a single large and complex coral organism. d. It is composed of thousands of individual coral organisms.

Reefs grow best in _______. a. deep water b. low salinity c. temperatures below 25°C d. shallow water

Coral reefs are sometimes referred to as the rainforests of the ocean because of their high levels of biodiversity. Please select the best answer from the choices provided T F

Which of the following statements about coral reef preservation efforts is true? a. In order to preserve coral reefs, all aquarium trade in coral reef organisms must end. b. Legislation has had no impact on coral reef preservation efforts. c. Various preservation methods have had some positive impact on coral reef preservation. d. Education of fishermen has eliminated all coral reef loss.