Compare and contrast aerobic and anaerobic processes. How are they alike? How are they different?

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different

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.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%