Marine Ecology

Which of the following is NOT a source of land-based pollution?

• Suburban Development

• Industry

• Agriculture Transport

• Power Generation

What does it mean when a species is classified as rare?

• They are not in immediate danger but is at risk

• When their numbers have become low

• When they are in immediate danger of disappearing forever

What does it mean when a species is classified as threatened?

• They are not in immediate danger but is at risk

• When their numbers have become low

• When they are in immediate danger of disappearing forever

What does it mean when a species is classified as endangered?

• They are not in immediate danger but is at risk

• When their numbers have become low

• When they are in immediate danger of disappearing forever

This requires nations to establish exclusive economic zones to avoid other nations fishing in each others water.

• Sustainable Fisheries Act

• United Nations Convention on the Law of the Sea

• Pew Oceans Commission

• Endangered Species Act

About how much of the worldwide catch is considered by-catch?

• 50%

• 20%

• 25%

• 30%

This requires fishery managers to develop management plans in order to avoid overfishing.

• Sustainable Fisheries Act

• United Nations Convention on the Law of the Sea

• Pew Oceans Commission

• Endangered Species Act

What is it called when organisms are trapped by abandoned fishing gear?

• ghost fishing

• by-catch

• overfishing

Organisms that are caught unintentionally while fishing for other species is called what?

• By-Catch

• Overfishing

• Ghost Fishing

What type of relationship is where both species benefit?

• Mutualism

• Commensalism

• Parasitism