Ragan's 5th Grade Chesapeake Bay
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Created by:
kristinragan on September 12, 2010
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15 terms
Terms | Definitions |
|---|---|
 brackish | a mixture of fresh and salt water |
| adaptation | any change in a species, which allows the species to survive and reproduce in its environment |
| dissolved oxygen | oxygen dissolved in water, dissolved oxygen is important for fish and other aquatic animals |
| ecology | the study of how living things interact with each other and their environment |
| ecosystem | community of living things plus the nonliving features of the environment which support them |
| estuary | a semi-enclosed body of water where fresh and salt water mix |
| food chain | a series of events in which one organism eats another and obtains energy |
| habitat | environment, place where a plant or animal usually lives |
| nutrients | chemicals required for growth such as nitrogen, phosphorous, and potassium |
| plankton | small organisms both plant and animal that move with the currents |
| pollutant | a substance which has a negative effect on the environment |
| salinity | the measure of the amount of dissolved salt in water |
| sediment | matter deposited by water or wind- i.e. sand, silt, or mud |
| tributary | a stream or river feeding into a larger body of water |
| watershed | all of the land that drains into a specific body of water |
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