Term
|
Definition
| a gorup of interacting populations thay occupy the same area at the same time |
|
|
Term
|
Definition
| Any abiotic factor or biotic factor that restricts the numbers, reproduction, or distribution of organims |
|
|
Term
|
Definition
| The ability of any organism to survive when subjected to abiotic factors or biotics factors |
|
|
Term
|
Definition
| The change in anecosystem that happens when one community replaces another as a result of changing abiotic and biotic factors |
|
|
Term
|
Definition
| The establishment of a community in an area of exposed rock that does not have any topsoil |
|
|
Term
|
Definition
| The stable, mature community that results when there is little change in the composition of species |
|
|
Term
|
Definition
| the orderly and predictable change that takes place after a community of organisms has been removed but the soil has remained intact |
|
|
Term
|
Definition
| a treeless biome with a layer of permanently frozen soil below the surface called permafrost |
|
|
Term
|
Definition
| material that is deposited by water, wind, or glaciers |
|
|
Term
|
Definition
Areas of land such as marshes, swamps, and bogs that are saturated with water and that support aquatic plants |
|
|
Term
|
Definition
| an ecosystem that is formed where fresh water from a river or a stream merges with salt water from the ocean |
|
|
Term
|
Definition
| a narrow band where the ocean meets land |
|
|
Term
|
Definition
| The area to a depth of about 200 m of the pelagic |
|
|
Term
|
Definition
| and area where sunlight is unable to penetrate |
|
|
Term
|
Definition
| The area along the ocean floor that consists of sand, silt, and dead organisms |
|
|
Term
|
Definition
| The deepest region of the ocean |
|
|
