The energy available at the trophic level that forms the base of an energy pyramid is 5,000 kilocalories. how much energy is available at the trophic level that has secondary consumers?

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.