Answer:
Organelle (oppitional, I don't put this on my paper but you can if you want), cells, tissues,
Explanation:
The have similar problems because since the cell has grown too large, it takes away nutrients that other cells need to survive. This is similar to too many users on a wireless network because with too many users, their is not enough network to supply each device on the wireless network.
Dry and arid parts of the world with little to no rain.
