Question

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

Explanation:

The current in rivers and streams mixes nutrients which are essential for plant and animal life and also influences the location of organisms. This has a positive - like effect on biodiversity. Option a is incorrect as bacteria and algae can still live in flowing water. Option b is wrong because it doesn't just cause a decrease. Option d is incorrect as current does have an impact on biodiversity.

Answer:

C. It mixes the nutrients for plant and animal use and determines location of organisms.