VIII. Flowing water.

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Presentation transcript:

VIII. Flowing water

A. Definition 1. Have different names in society (rivers, creeks, brooks, etc.) a. In science, ALL above ground flowing bodies of freshwater are called streams 2. Flow a. Usually start at high altitudes allow melts to flow down

1. Source is called the head water 2. Very fast flowing and has high amounts of dissolved oxygen b. As flows it picks up sediments 1. Allows streams to meander 2. Water flows fast on outside of bends a. Erodes soil

3. Water flows slow on the inside of bends a. Deposits sediments c. Changing flow rate presents serious problems for organisms

3. Organisms a. Small organisms develop hooks to latch on with b. Fish have strong swimming abilities 1. Have high oxygen requirements which is available in streams

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