Question

11. What is the maintenance of a constant internal state?

homeostasis
diffusion
active transport
endocytosis
12. What is the movement of water across a semipermeable membrane from an area of high concentration to an area of low concentration without using energy?

osmosis
facilitated transport
diffusion
active transport
13. What homeostatic mechanism is responsible for water regulation?

gas exchange
osmoregulation
blood glucose
thermoregulation