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PSSA Vocab 2018
Exactly what the title says.
Term | Definition |
---|---|
Ecosystem | A community of organisms and their related environment. |
Environment | The biotic and abiotic surroundings of living beings that affects every organism. |
Homeostasis | The occurrence of an ecosystem attempting to return to a previous state. |
Abiotic | Anything nonliving. |
Biotic | Anything living. |
Biomes | A large area which serves as a habitat for organisms of all shapes and sizes. |
Niche | The specific role an organism plays in an ecosystem. |
Consumer | An organism that feasts upon other organisms, usually living. |
Decomposer | An organism that uses the nutrients of deceased organisms to feed the soil, allowing the cycle of life to begin anew. |
Shredder | Tiny microorganisms that eat soft plant matter, especially leaves. |
Dichotomous | The state of having two clearly defined halves. |
Pest | A name given to an organism that is working against humans or getting in the way of humans. |
Integrated pest management | Managing pests and limiting their interference on human life via traps, poison, or through other means. |
Acid deposition | Precipitation with a pH of 5.5 or lower which occurs when water vapor is combined with pollutants. |
Stream order | The increase of energy and nutrient flow as water moves towards the ocean |
Topographic map | A detailed map showing precise details of the earth. |
Watershed | Land where runoff can drain into a stream or lake. |
Hydrology | The study of the movement and quality of water on Earth. |
Groundwater | Water that got through the soil and into underwater reservoirs. |
Mitigation | The policy of making artificial habitats to make up for ones destroyed by man. |
Lentic | Relating to or living in static water. |
Lotic | Relating to or living in moving water. |