Exam 8: Aquatic Biodiversity

The aquatic equivalent of terrestrial biomes are called ____________________.

The saltwater of the earth is a single and continuous body of water.

Use the Figure above to answer the following question(s). -Choose the zone that is usually cold and barely penetrated by sunlight.

Redirecting Mississippi River sediments through the wetlands and into the Gulf of Mexico, instead of into the Mississippi Delta, has caused the Delta to subside (sink).

Surface water becomes ____________________ when it flows into streams.

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.

Found along some 70% of gently sloping sandy and silty coastlines in tropical and subtropical regions, and consisting of some 69 species of trees, are the

A watershed is the land area that delivers runoff, sediment, and dissolved substances to a stream.

In deep aquatic systems the photosynthetic zone is called the ____________________ zone.