Can you put these steps in order? Short grasses grow tall in the rich soil. When pioneer species die, nutrients are added to the soil. Lichens begin to grow on the surface of exposed rocks.

Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.