the size of each body cell the number of cells in its body the amount of energy in its cells the collection of water in each cell
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: An elephant is a multicellular organism that weighs about 200 pounds at birth and can grow to weigh as much as 15,000 pounds. What increases as the elephant grows into an adult?
Possibilities:
- the size of each body cell
- the number of cells in its body
- the amount of energy in its cells
- the collection of water in each cell

the number of cells in its body