One job of the kidneys is to a. regulate the ph of the blood. b. produce urea from amino groups and ammonia. c. increase the salt and water balance in the blood. d. destroy old red blood cells. any

Food webs - transferring energy and matter from one level to another. here you see four food webs. one or more are incorrect. which food web(s) show the correct sequence of organisms, from start to top level consumer? a) a b) d c) c d) a and d