C is the answer. Due to the current state of the world economy; people, if left to their own devices, would fish as much as possible so they can sell their fish to make money. Current technology means we can catch as many fish as we want (trawlers etc.). The problem with this is that there is only a finite amount of fish in the sea. If we were to fish them without limits in place, we could cause them to go extinct.
Answer:
1.All living things are composed of cells.
2.Cells are the basic units of structure and function for living things.
3.All cells come from pre-existing cells. Also, organisms grow by “adding on more cells” NOT by increasing the size of their cells.