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PSSA Vacob
Term | Definition |
---|---|
Ecosystem | a biological community of interacting organisms and their physical environment. |
Environment | the surroundings or conditions in which a person, animal, or plant lives or operates. |
Homeostasis | the tendency toward a relatively stable equilibrium between interdependent elements, especially as maintained by physiological processes. |
abiotic | physical rather than biological; not derived from living organisms. |
biotic | relating to or resulting from living things, especially in their ecological relations. |
Biome | a large naturally occurring community of flora and fauna occupying a major habitat, e.g., forest or tundra. |
Niche | a shallow recess, especially one in a wall to display a statue or other ornament. |
acid deposition | acid deposition, is a broad term that includes any form of precipitation |
stream order | Stream order is a measure of the relative size of streams. |
topographic map | In modern mapping, a topographic map is a type of map characterized by large-scale detail and quantitative representation |
watershed | an area or ridge of land that separates waters flowing to different rivers, basins, or seas. |
wetlands | land consisting of marshes or swamps; saturated land. |
hydrology | the branch of science concerned with the properties of the earth's water, especially its movement in relation to land. |
groundwater | water held underground in the soil or in pores and crevices in rock. |
mitigation | the action of reducing the severity, seriousness, or painfulness of something. |
lentic | inhabiting or situated in still, fresh water. |
lotic | inhabiting or situated in rapidly moving fresh water. |
consumer | a person or thing that eats or uses something. |
decomposer | an organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material. |
shredder | a machine or other device for shredding something, especially documents. |
dichotomous | exhibiting or characterized by dichotomy. |
pest | a destructive insect or other animal that attacks crops, food, livestock, etc. |
integrated pest management | s a broad-based approach that integrates practices for economic control of pests |