Terms : Hide Images
| 33877639 | biomes | a broad, regional type of ecosystem characterized by distinctive climate and soil conditions and a distinctive kind of biological community adapted to those conditions. | |
| 33877640 | deserts | Occur where precipitation is uncommon and slight, usually with less than 30 cm of rain per year | |
| 33877641 | grasslands | an enviroment where there is enough rain to suppourt grass but not enough for forests | |
| 33878281 | tundra | a vast treeless plain in the arctic regions between the ice cap and the tree line | |
| 33879984 | conifer | Needle-bearing tree that produce seeds in cones | |
| 33880560 | southern pine forests | United States coniferous forest ecosystem characterized by a warm, moist climate | |
| 33880561 | boreal forest | a broad band of mixed coniferous and deciduous trees that stretches across northern North America | |
| 33883684 | taiga | The northernmost edge of the boreal forest, including species-poor woodland and peat deposits; intergrading with the arctic tundra | |
| 33883685 | temperate rain forest | forest that are characterized by a large amount of rain fall, high humidity and moderate temperature | |
| 33883686 | deciduous | trees that shed their leaves in the winter | |
| 33886214 | chaparral | Thick, dense, thorny evergreen shrub found in Mediterranean climates | |
| 33886215 | thorn scrub | a dry, semi-desert dominated by acacias and other spiny shrubs | |
| 33886216 | cloud forests | Found high in the mountains where fog and mist keep vegetation wet all the time | |
| 33886217 | tropical rainforests | terrestrial biome characterized by high levels of rain fall and high temperature year round | |
| 33886218 | tropical seasonal forests | semievergreen or partly deciduous forests tending toward open woodlands and grassy savannas dotted with scattered, drought-resistant tree species; distinct wet and dry seasons, hot year-round | |
| 33886219 | phytoplankton | tiny, free floating, photosynthetic plants that support a marine food web | |
| 33886220 | benthic | The bottom surfaces of aquatic environments | |
| 33886221 | pelagic | Zones in the vertical water column of a water body | |
| 33886964 | coral reefs | Prominent oceanic features composed of hard, limy skeletons produced by coral animals; usually formed along edges of shallow, submerged ocean banks or along shelves in warm, shallow, tropical seas | |
| 33886965 | reefs | Consist of colonies of minute, colonial animals that live symbiotically with photosynthetic algae | |
| 33886966 | mangroves | Trees from a number of genera that live in salt water | |
| 33886967 | estuaries | The lower end of a river, where it meets ocean. Saltwater and freshwater mix here. | |
| 33887578 | barrier islands | low, narrow, sandy islands that form offshore from a coastline | |
| 33887579 | thermocline | Sharp temperature boundary | |
| 33887955 | wetlands | Ecosystems of several types in which vegetation is surrounded by stand water during part of the year | |
| 33887956 | swamps | wetland with trees | |
| 33887957 | marshes | wetlands without trees | |
| 33888091 | bogs | an area of waterlogged soil that tends to be peaty; fed mainly by precipitation; low productivity; some bogs are acidic | |
| 33888512 | frens | areas of waterlogged soil that tend to be peaty; fed mainly by upwelling water; low productivity |
