Aquatic Ecosystems

Front

Which zone in this pond would be classified as benthic? Options:

A

,

B

,

C

Back

C

Front

Which zone in this pond would be classified as limnetic? Options:

A

,

B

,

C

Back

B

Front

Which zone in this pond would be classified as littoral? Options:

A

,

B

,

C

Back

B

Front

Which zone in the pond would have little or no photosynthesis and a greater population of decomposers? Options: A, B, C

Back

C

Front

Which zone in the pond would you expect the greatest amount of biological diversity?

Back

A

Front

Which ecosystem has no photosynthesis, with organisms relying instead on decomposing matter called “marine snow”?

Back

Benthic zone.

Front

Driving home, you pass through a warmer area with a lot of farm land. You notice a pond near the road that is thick with coating of green algae. This is a ______________ pond.

Back

Eutrophic

Front

Which ecosystem is sometimes referred to as a “marine desert,” due to its lack of life? Options: Coastal zone, Benthic zone, Open ocean, Tidal zone

Back

Open ocean

Front

Where would you expect to find a bioluminescent organism?

Back

In the aphotic or benthic zone of the ocean

Front

Of the three types of inland freshwater wetlands, which one would you expect to find no trees, and a normal pH level?

Back

Marsh