How does the cell membrane help to maintain homeostasis? A. it makes proteins for the cell
B. it makes ATP for the cell
C. it breaks down harmful substances
D. it maintains concentration of solutes and water

What is turgor pressure, what causes it, and what does it do for a plant?

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.

Several bodily responses are described below. for each response, determine what caused the change in homeostasis. body starts to sweat breathing rate increases amount of saliva produced changes body starts to shiver