What structural adaptation of the muscle cell allows it to function

What is the relationship between absorbance of light and the rate of photosynthesis?

When a population split into two subgroups what is most likely to cause the subgroups to develop different traits?

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.