Plants are photoautotrophs. what does this mean?
a) they are attracted to light.
b) they are the primary consumers of the biosphere.
c) they synthesize their own food from inorganic materials.
d) they use light energy to drive the synthesis of organic molecules from inorganic materials.
e) they generate oxygen.

High blood pressure occurs when there is too much blood flowing through the blood vessels at one time. by changing the amount of water in the blood, blood pressure can change. the excretory system can to lower blood pressure. which would most likely occur in the kidney? a)more water would be transferred from the nephron. b)less water would be absorbed into the nephron. c)the amount of water in the bladder would decrease. d)the amount of water in the blood would increase.