If it were single celled, then it would need some form of protection so the answer would be C. an outer covering
Answer:
moose is the answer
Explanation:
I think I had it in my 5th grade test
I believe this is describing the theory of plate tectonics. Plate tectonics describe the motion that Earth's external shell is separated into a few plates that coast over the mantle, the rough internal layer over the center. The plates demonstration like a hard and inflexible shell contrasted with Earth's mantle.
experiment to determine how the type of food source available affects the rate of cellular.
