Exam 23: Marine Biomes

Which zone is the one immediately deeper than the mesopelagic in the open ocean?

The greatest wave heights are generally found in the

Which is the most seaward plant of U.S. East coast salt marshes?

Kelp forests are not found in

Which marine community is found only at water temperatures between 20 and 30°C, in the photic zone where nutrient levels are low?

The difference between a wave trough and a wave crest is known as

Photosynthesis generally occurs in the

What organism is not part of the nekton?

Mangroves have pheumatophores which exude salt and enable the plants to live in salty environments.

When the surface currents move water away from the continents and it is replaced by water from cooler depths we term the process

In your submersible, the most common organisms visible from the porthole are large tube worms, clams and crabs. Where are you?

Salty water is lighter than freshwater and this difference helps fuel thermohaline circulation.

If you found Halodule or Thalassia, manatees and spiny lobsters, in which marine biome would you be?

Salt water near the north pole freezes to form salty pack ice.

If you were standing on the west coast of Australia, the prevailing ocean current would be running south to north.

When near a coral reef, which organisms would you be most likely to see out of your submersible window?

The center of mangrove diversity is in

Water rich in hydrogen sulfide emanates from hydrothermal vents

Ocean currents are created mainly by

A condition known as syzygy occurs when