Streams and Rivers – Flashcards

The organisms found in rivers and streams vary based on location. Please select the best answer from the choices provided

Which area of rivers and streams will most likely contain the most sediment? a. the source b. the mouth c. the middle portion d. none of the above Please select the best answer from the choices provided

What characteristic sets streams and rivers apart? a. water quality b. direction of flow c. size d. biodiversity Please select the best answer from the choices provided

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. Please select the best answer from the choices provided

How does access to sunlight affect the biodiversity of a river ecosystem? a. Sediment is limited in areas with little access to sunlight. b. Plant and animal life is limited in areas with little access to sunlight. c. Algae is more common in areas with less access to sunlight. d. Biodiversity is unaffected by access to sunlight. Please select the best answer from the choices provided

Sewage is the most common form of pollution in rivers and streams. Please select the best answer from the choices provided

Where does the water in streams and rivers originate? a. precipitation b. runoff c. ice and snowpacks d. all of the above Please select the best answer from the choices provided

Which of the following is a way that humans impact rivers and streams? a. pollution b. dams c. flooding d. all of the above Please select the best answer from the choices provided

Streams have a detectable current, while rivers do not. Please select the best answer from the choices provided

Currents shape rivers over long periods of time. Please select the best answer from the choices provided