Streams and Rivers Answers

Which of the following is a way that humans impact rivers and streams?a.pollutionb.damsc.floodingd.all of the above

Rivers are more important to the water cycle than streams.

Which area of rivers and streams will most likely contain the most sediment?a.the sourceb.the mouthc.the middle portiond.none of the above

Dams have a limited effect on rivers and streams.

How has the removal of wetlands impacted rivers and streams?a.It has increased the rate of absorption, causing a decrease in water levels.b.It has decreased the rate of absorption, causing greater incidents of flooding.c.It has hindered the migration of fish, causing a loss in biodiversity.d.Wetland removal has had no measurable impact on rivers and streams.

Currents shape rivers over long periods of time.

How does current affect biodiversity in rivers and streams?a.It prevents bacteria and algae from living in rivers and streams.b.It causes a decrease in biodiversity by preventing organisms from remaining in rivers and streams.c.It mixes the nutrients for plant and animal use and determines location of organisms.d.It has no affect on biodiversity.

Where does the water in streams and rivers originate?a.precipitationb.runoffc.ice and snowpacksd.all of the above

The organisms found in rivers and streams vary based on location.

Streams have a detectable current, while rivers do not.