Chapter 20 Biomes

place where the ocean meets the land

• deep water zone

• intertidal zone

• oceanic zone

• open water zone

The area that has warm, sunlit water and is where the ocean floor begins to slope downward.

• Intertidal Zone

• Deep-water Zone

• Benthic Zone

• Neritic Zone

Shallow zone of a lake or pond where light reaches the bottom and nurtures plants.

• Intertidal Zone

• Littoral Zone

• Benthic Zone

• Neritic Zone

The zone of a lake or pond, where no light reaches.

• Deep-water Zone

• Open-water zone

• intertidal Zone

• Benthic Zone

A treeless wetland ecosystem where plants such as grasses grow.

• wetland

• savanna

• grassland

• marsh

An area of land that is periodically underwater or whose soil contains a great deal of moisture.

• swamp

• wetland

• estuary

• coral reef

Shallow area of the Neritic zone made of the skeletons of small animals.

• coral reef

• estuary

• plankton

• marsh

Zone of a pond or lake that extends from the littoral zone and that is only as deep as light can reach.

• swamp

• marsh

• Open-water Zone

• Deep-water Zone

The mass of mostly microscopic organisms that float or drift freely in freshwater and marine environments.

• wetland

• plankton

• estuary

• swamp

An area where fresh water from rivers mixes with salt water from the ocean.

• Open-water Zone

• swamp

• estuary

• marsh