Polar Regions and Aquatic Ecosystem Classifications

Vocabulary flashcards covering biomes, polar regions, and aquatic ecosystem classifications based on salt concentration.

Polar Regions and Mountain Ranges

Land areas that do not fall neatly into one of the major biomes and are not easily defined by typical plant and animal communities.

Oceanic

Referring to the ocean; characterized by a high level of salt.

Brackish

Slightly salty, as is the mixture of river water and seawater in estuaries.

Freshwater

Water that contains only minimal amounts of dissolved salts.