Exam 10: Ocean Ecosystems

-Bycatch is intentional catching of targeted marine organisms.

-Hydrothermal communities are not very biologically diverse.

-Which lettered box in this figure points to the continental shelf?

-The abyssal plains are biologically rich and productive areas of the ocean.

-Due to factors causing corals to decline, by 2050 scientists estimate that __________ percent of corals reefs could be threatened.

-The "shark café" is probably a place where sharks __________.

-Weigh the pros and cons of restricting or banning fishing (or hunting, or collecting) from an area.

-Organisms migrate from depths to the surface at night mainly to do what?

-Corals are closely related to jellyfish.

-A __________ is a long body of deep water that usually forms an inlet or connects two seas.

-Kelp forests are found where water temperature does not exceed __________ degrees Celsius.

-Green wavelengths of light travel deepest in seawater.

-At the thermocline, surface water transitions to cold water deeper down.

-A seamount is an isolated mountain that rises from the seafloor.

-About __________ percent of plastic that enters the oceans eventually sinks to the seafloor.

-Australia's Great Barrier Reef is the largest reef system in the world.

-Ocean water acidity is increasing because of human burning of fossil fuels.

-Phytoplankton are primary consumers.

-Which is bioluminescence not used for?

-__________ drags nets through the water column or along the seafloor.