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LJ Science vocab1-3
vocab words for PSSA science
| 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 surroundings (air, water, soil, all wildlife) influencing each living being’s existence, including physical, biological and all other factors; the surroundings of a plant or animal, 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 | interaction of living organisms with other living organisms |
| Biomes | a large naturally occurring community 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 (e.g., nocturnal, diurnal), interaction with other organisms and its habitat. |
| Consumer | organism that gets its energy & nutrients by feeding on other organisms |
| Decomposer | organisms that break down dead organisms or waste materials |
| Shredder | organisms that eat the tissue of other organisms; organic matter like leaves and wood/ex.) stonefly nymphs |
| Dichotomous | it's divided into two distinct parts/ has two divisions that are sharply opposed |
| 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 | size and order of stream directly relates to the organisms that can be found in that habitat |
| Topographic map | a map showing topographic features, usually by means of contour lines./ bumpy |
| 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 (e.g., sloughs, estuaries, marshes). |
| Hydrology | concerned with the properties of the earth's water, especially its movement in relation to land. |
| Groundwater | water stored beneath the Earthâs surface in rock |
| Mitigation | The policy of constructing or creating man-made habitats, such as wetlands, to replace those lost to development. |
| Lentic | (still water): palustrine (pond, marsh, swamp, bog) |
| Lotic | (moving water): riverine (river, stream) |
Created by:
21jamison.lan
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