Delta & Estuary /)ovo/)+:*%:".

Benthos

Animal that lives at the bottom of a body of water.

Osmoconformer

Animal whose salinity is the same as the surrounding water.

Estuary

Body of water between a river and the sea.

Delta

Landform at the mouth of a river.

Spit

Long strip of beach only connected to land at one end.

distributary

a stream that flows off the main channel.

Plankton

animals that drift in water.

littoral

area at the edge of the water.

Mean sea level

average height of the ocean's surface.

alluvial fan

delta formed by large rocks.

Barrier Island

narrow strip of land parallel to the coast.

THEMIS

satellite camera that found deltas on Mars.