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Flash Cards #2
| Term | Definition |
|---|---|
| ecosystem | A community of living organisms and their interrelated physical and chemical environment. |
| environment | The total of the surroundings (air, water, soil, vegetation, people, wildlife) influencing each living being’s existence, including physical, biological. |
| homeostasis | The tendency for a system by resisting change to remain in a state of equilibrium. |
| abiotic | A nonliving factor or element (e.g., light, water, heat, rock, energy, mineral). |
| biotic | An environmental factor related to or produced by living organisms. |
| biomes | A large nature occurring commity of flora and fauna occupying a major habitat |
| niche | The role played by an organism in an ecosystem; its food preferences, requirements for shelter, special behaviors and the timing of its activities. |
| consumer | Those organisms that obtain energy by feeding on other organisms and their remains. |
| decomposer | An organism, often microscopic in size, that obtains nutrients by consuming dead organic matter. |
| shredder | Through chewing and/or grinding, microorganisms feed on non-woody coarse particulate matter, primarily leaves. |
| dichotomous | Divided or dividing into two parts or classifications. |
| pest | A label applied to an organism when it is in competition with humans for some resource. |
| integrated pest management | A variety of pest control methods that include repairs, traps, bait, poison, etc. to eliminate pests. |
| acid deposition | Precipitation with a pH less than 5.6 that forms in the atmosphere when certain pollutants mix with water vapor. |
| stream order | Energy and nutrient flow that increases as water moves toward the oceans (the smallest stream (primary) that ends when rivers flow into oceans). |
| topographic map | Detailed , accurate graphic representations of a map. |
| watershed | The land area from which surface runoff drains into a stream, channel, lake, reservoir or other body of water; also called a drainage basin. |
| wetlands | Lands where water saturation is the dominant factor determining the nature of the soil development and the plant and animal communities. |
| hydrology | The study of water. |
| groundwater | Water that infiltrates the soil and is located in underground reservoirs called aquifers. |
| mitigation | The policy of constructing or creating man-made habitats, such as wetlands, to replace those lost to development. |
| lentic | Relating to or living in still water. |
| lotic | Relating to or living in actively moving water. |
Created by:
22ansel.jad
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