Marine & Freshwater Ecosystems Vocab

Front

What is a river?

Back

A large natural stream of water flowing in a channel to the sea, a lake, or another such stream.

Front

What is a coral reef?

Back

A reef consisting of coral consolidation into limestone.

Front

What is a stream?

Back

A small, narrow river.

Front

What is a wetland?

Back

Land consisting of marshes or swamps.

Front

What is plankton?

Back

Any tiny drifting organism that inhabits the ocean.

Front

What is an estuary?

Back

A coastal area where freshwater from rivers meets and mixes with saltwater from the ocean.

Front

What is a pond?

Back

A small body of still water, smaller than a lake.

Front

What is a tributary?

Back

A smaller river or stream that flows into a larger river or lake.

Front

What is intertidal zone?

Back

The area of the shore that is exposed to the air at low tide and submerged at high tide.

Front

What is biodiversity?

Back

The variety of life in a particular habitat or ecosystem.