| Term | Definition |
|---|
| Headwaters | the high ground where precipitation first collects and flows downhill in tiny trickles too small to create a permanent channel |
| Invasive species | a species thta has been introduced by human action to a location where it did not previously occur naturally,establishes breeding population in new location without further intervention by humans and has spread widely through the new location |
| Invertebrate | any animal without a spinal column;insects,worms,mollusks |
| Niche | the function, position or role of a species within an ecosystem |
| Pollution | the contamination of air,water or soil by substances that are harmful to living organisms, man-made waste |
| Poplulation | a group of individuals of the same species occupying a specific area |
| Predator | an animal that lives by capturing and eating other animals |
| Prey | an animal that is eaten by a predator |
| Producer | an organism thta is able to produce its own food from non-living materials, serves as food source for other organisms in a food chain,green plants |
| Reservoir | an artificial lake used to store water |
| Riffle | an area of shallow,faster-flowing water in a stream |
| Riparian zone | land next to the stream,starting at the top of the bank,heavy plant cover on either side |
| Sediment | silt,sand,rocks and other matter carried and deposited by moving water |
| Tributary | a stream that flows into a larger stream or other body of water |
| Watershed | all the land from which water drains into a specific body of water |
| Wetland | a low-lying area where the soil is saturated with water |
Combine with other sets
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