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PSSA
| Question | Answer |
|---|---|
| ecosystem | consists of a group of living organisms that interact with one another and the nonliving physical environment as one unit |
| environment | The total of the surrounding influencing each living being's existence, including physical, biological and all other factors; the surrounding of plants or animals, including other plants or animals, climate and location. |
| homeostasis | The tendency for a system by resisting change to remain in a state of equilibrium. |
| abiotic | nonliving physical and chemical parts of an ecosystem with which living organisms interact |
| biotic | An environmental factor related to or produced by living organisms. |
| biomes | interaction of living organisms with other living organisms |
| 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 the remains. a person buying goods or services for personal needs or to use in the production of other goods for resale. |
| decomposer | An organism, often microscopic in size, that obtains nutrients by consuming organic matter, thereby making nutrients accessible to other organisms |
| shredder | Through chewing and/or grinding, microorganisms feed on non-woody coarse particulate matter, primarily leaves |
| dichotomous | in which the axis is divided into two branches. |
| 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 (e.g., the smallest stream (primary) that ends when rivers flow into oceans). |
| topographic map | physical characteristics of the land |
| 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 branch of science concerned with the properties of the earth's water, especially its movement in relation to land. |
| groundwater | water stored beneath the Earth’s surface in rock |
| 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:
22reed.jad
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