試題詳解

4. The cells of a spider and a tiger are, on average, the same small size； a tiger just has more of them. What is the main advantage of small cell size?
(A) It takes less energy to make an organism out of small cells.
(B) Small cells require less oxygen than large cells do.
(C) Small cells can better take up sufficient nutrients and oxygen to provide for their need.
(D) A small cell has a less plasma membrane surface area than a large cell does.