Cht 7

Question 1

Wetland

Answer 1

land consisting of marshes or swamps; saturated land.

Question 2

Plankton

Answer 2

Plankton are the diverse collection of organisms found in water that are unable to propel themselves against a current.

Question 3

Nekton

Answer 3

Nekton (or swimmers) are living organisms that are able to swim and move independently of currents.

Question 4

Benthos

Answer 4

also known as benthon, is the community of organisms that live on, in, or near the bottom of a sea, river, lake, or stream, also known as the benthic zone.

Question 5

Littoral zone

Answer 5

The littoral zone is the near shore area where sunlight penetrates all the way to the sediment and allows aquatic plants (macrophytes) to grow.

Question 6

Benthic zone

Answer 6

The benthic zone is the lowest ecological zone in a water body, and usually involves the sediments at the seafloor.

Question 7

Eutrophication

Answer 7

excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen.

Question 8

Estuary

Answer 8

the tidal mouth of a large river, where the tide meets the stream.

Question 9

Salt marsh

Answer 9

A salt marsh or saltmarsh, also known as a coastal salt marsh or a tidal marsh

Question 10

Mangrove swamp

Answer 10

A mangrove is a shrub or tree that grows in coastal saline or brackish water.

Question 11

Barrier island

Answer 11

Barrier islands are coastal landforms and a type of dune system that are exceptionally flat or lumpy areas of sand that form by wave and tidal action parallel to the mainland coast.

Question 12

Coral reef

Answer 12

A coral reef is an underwater ecosystem characterized by reef-building corals.