Which statement best explains why it is so hard to control mosquitoes, fire ants, and other unwanted insects? The characteristics of insects have remained unchanged for many years.

Scientific evidence says that these pests must be completely eliminated.

Some of these organisms are invaders from other environments.

They quickly become resistant to pesticides in certain environments.

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.