Dominated by grass

Coral reefs can be found at

The deep level of Mariana trench

The beach

A unit for salinity

Middle of the estuary

Estuary plants

Filter feeders, scavenger, decomposers

Structures in the ocean that are built by animals are called

When temp goes above normal

Cracks in the earth that allow hot gases escape.

Also called rocky intertidal zone

Not much habitat, sand dries out at low tides

Importance of estuary for the living things

Many places to live in this habitat means high biodiversity

Natural cause of coral bleaching

Coastal wetlands located in tropical and subtropical zones

Certain bacteria can make food in these condition

Tangled roots that reach above the water line, form an important habitat for many animals

Coral reefs requires 2 things

Meaning of ppt

Narrow islands made of sand that provide a buffer for the mainland from the sea

An algae that has a symbiotic relationship with corals

Organic particles that settle down from above

The twilight zone

3 categories of marine ecosystem

Specialized weird organisms live here

Cold, dark, high pressure

Importance of estuaries for water

At the ocean

Near input from the river

Manmade cause of coral bleaching

Full sunlight, phytoplankton, zooplankton, nekton

An area which freshwater from a river mixes with saltwater from the ocean

Estuary animals

2 types of corals

A low area that is subject to regular, but gentle, tides