Exam 8: Aquatic Biodiversity

The dimly lit zone in which zooplankton and smaller fishes predominate is the ____.

Use the figure above to answer the following question(s). -Choose the zone containing the floodplain rivers.

The ocean zone that makes up less than 10% of the world's ocean area,yet contains 90% of all the marine species,is the ____.

Which of the following is not part of the saltwater or marine aquatic life zones?

Use the figure above to answer the following question(s). -Choose the zone in which most organisms are blind or have poor eyesight.

Explain how the open sea can be both an area of low average primary productivity and the largest contributor to the earth's overall net primary productivity.

Most of the wetlands that are lost are used for ____.

What is an area where a river meets the sea,and includes some of the earth's most productive wetlands?

In terms of biodiversity,coral reefs are the marine equivalent of _______________ forests.

The distribution of many aquatic organisms is determined largely by salinity.

Four of the following are major human activities that disrupt and degrade freshwater systems;one is not.Choose the one that is not.

____________________ are where rivers meet the sea.

By following the principles of sustainability,we could cut CO₂ emissions and reduce ocean ____.

The ocean zone that covers the continental shelf is the ____.

Oysters,sea stars,and lobsters would be considered what type of organism?

Several key factors help to determine the types and numbers of organisms found in the various layers of both freshwater and marine systems.What is not one of these?

If you find a new species of algae floating on the surface of a coastal zone,you would likely consider it a type of ____.

What percentage of the world's photosynthetic activity is accomplished by phytoplankton in the euphotic zone?

Algal blooms can result in a cloudiness called ____________________,which can reduce the penetration of sunlight.

Funneling Mississippi River sediments through the wetlands and into the Gulf of Mexico,instead of into the Mississippi Delta,has caused the Delta to rise.