Column 1
Column 2
Column 3
Column 4
100

A large body of freshwater surrounded by land.

lake

100

Aquatic refers to what word?

water

100

A small body of still freshwater surrounded by land

pond

100

Land that is covered with water

Wetland

200

A flowing body of freshwater

river
200

Water with a high amount of salt

saltwater

200

Water with little or no salt

Freshwater

200

A small, flowing body of freshwater

stream

300

The amount of salt in water

salinity
300

Related to saltwater ecosystems

Marine

300

The largest saltwater habitat on Earth

ocean

300

A place where freshwater mixes with saltwater

estuary

400

A wetland with trees and shrubs.

Swamp

400

An underwater ecosystem made by coral animals

Coral Reef

400

Open Ocean ranges from the surface down to ______ft

2,000

400

A wetland with soft stems and grasses, usually with shallow water.

marsh
500

Middle layer in the ocean; some light, but too little for photosynthesis.

Disphotic Zone

500

Top layer of the ocean, sunlight penetrates; photosynthesis occurs here.

Euphotic Zone

500

A water-based environment where plants and animals live.

Aquatic Biome

500

Deepest part of the ocean; no sunlight; completely dark

Aphotic Zone