Issues Affecting Marine Ecosystems (pretest)

The Great Pacific Garbage Patch will be difficult to physically clean up because _______. a. it lies in international waters b. no single nation is responsible for creating it c. filtering out the plastic will also remove plankton d. all of the above

Which of the following best explains the current state of the majority of the world's fisheries? a. they are being sustainably harvested b. they are currently overfished c. they are currently underfished d. they are already depleted

Long line fishing and drift nets are hazardous to fish and other marine animals.

Which of the following best explains the environmental problems associated with trawling? a. Trawling always destroys sea floor ecologies. b. Trawling gathers fish indiscriminately. c. Trawling is too selective at gathering fish. d. All of the above

Seafood Watch is a program that identifies sustainably harvested, ocean friendly seafood in order to _______. a. gather evidence of fishermen violating international law b. allow consumers to make environmentally responsible choices c. increase the price fishermen receive for their catches d. increase the sale and consumption of seafood

Pollution from many nations contributes to the Great Pacific Garbage Patch.

Which of the following is not a possible consequence of animals ingesting marine debris? a. injury b. starvation c. suffocation d. malnutrition

Which of the following best explains why marine debris is not caused solely by countries bordering the ocean? a. Marine debris mostly originates from oceangoing ships. b. Debris is carried to the ocean by winds, rivers, and storms. c. Marine debris originates from natural sources. d. None of the above

It is best to say that marine debris _______. a. is a hazard to marine animals b. degrading ocean health c. a pervasive, global pollution problem d. all of the above

Long line fishing, drift nets, and trawling all produce an insignificant amount of by-catch.