The organism at location D is the
to organisms at location A, B, and C.

Diffusion and osmosis are forms of passive transport

Photosynthesis uses co2 and cellular respiration produces co2. we call the point when the two processes are in balance--when there is no net production of co2--the compensation point. how might you limit one of the processes in order to achieve a compensation point?

In which layer do organisms on earth love?