What is the word for an animal with two legs?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.

This is so important ugh its 25 points

The small molecule cyclic amp (camp) takes about 0.2 second to diffuse 10 μm, on average, in a cell. suppose that camp is produced near the plasma membrane on one end of the cell; how long will it take for this camp to diffuse through the cytosol and reach the opposite end of a very large cell, on average? assume that the cell is 200 μm in diameter.