History

4. the tidal mouth of a large river, where the tide meets the stream.
5. aquatic environments with high levels of dissolved salt.
6. a small, narrow river.
8. the natural home or environment of an animal, plant, or other organism.
11. The pelagic zone, also known as the open ocean is the area of the ocean outside of coastal areas.
12. a small body of still water formed naturally or by hollowing or embanking.
13. a large body of water surrounded by land.

1. an area or ridge of land that separates waters flowing to different rivers, basins, or seas.
2. The intertidal zone is the area where the ocean meets the land between high and low tides.
3. an area of low-lying land which is flooded in wet seasons or at high tide, and typically remains waterlogged at all times.
7. a large natural stream of water flowing in a channel to the sea, a lake, or another such stream.
9. of or found in fresh water; not of the sea.
10. reef a ridge of rock in the sea formed by the growth and deposit of coral.