Q: The earth is like organisms in that it maintains a stable state, which is also known as what? Choices: - ketosis - hibernation - dormancy - homeostasis A:
homeostasis

Q: What helps cells take up glucose from the blood? Choices: - oxygen - hemoglobin - estrogen - insulin A:
insulin

Q: In an exothermic reaction, what, specifically, is released? Choices: - water - humidity - precipitation - heat A:
heat