The fish living near a coral reef feed off of small organisms found in the reef's crevices. some sea animals hide among the coral for protection against larger predators. even though it is not living, the sand under the coral reef is also useful as it holds the coral reef in place. identify the term given to these interacting organisms and the nonliving parts of their environment. a) habitat b) population c) community d) ecosystem

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.