| Who stated that human population grows geometrically? |
| a) | Malthus | b) | Darwin |
| c) | Cannon | d) | Lamarck |
| (a)Malthus calculated that though the number of organisms can increase geometrically (1, 2, 4, 8, 16 .), their food supply increases arithmetically (1, 2, 3, 4 ..). |