Chapter 4 The Earth's Ecosystems
Order by
9 terms
Terms | Definitions |
|---|---|
 biome | a large region characterized by a specific type of climate and certain types of plant and animal communities |
| savanna | grassland with scattered trees; found in tropical regions of Africa, Australia, and South America |
| deserts | a barren region with little or no rainfall, usually sandy and without trees. |
| tundra | Treeless arctic or alpine biome characterized by cold, harsh winters, a short growing season, and potential for frost any month of the year; vegetation includes low-growing perennial plants, mosses and lichens |
| plankton | the mass of mostly microscopic organisms that float or drift freely in freshwater and marine environments |
| estuary | an area where the tide meets a river current |
| littoral zone | a shallow zone in a freshwater habitat where light reaches the bottom and nurtures plants |
| open water zone | the zone of a pond or lake that extends from the littoral and that is only as deep as light can reach |
| deep water zone | the zone of a lake or pond below the open-water zone where no light reaches |
First Time Here?
Welcome to Quizlet, a fun, free place to study. Try these flashcards, find others to study, or make your own.