Answer:
To maintain homeostasis, unicellular organisms grow, respond to the environment, transform energy, and reproduce. The cells of multicellular organisms become specialized for particular tasks and communicate with one another to maintain homeostasis. ... Active transport requires energy.
Mechanical digestion so breaking down of the food in your mouth. Hope this help :)
Yes it is C but for future reference, both A and B are referring to solids, and D is referring to a gas, hope this is helpful later!
super position
Explanation:
because because it is arranged in a sequence