Suppose that species a evolves and species b evolves in response to the changes in species a. species a then changes in response to the changes in species b. this is an example of

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?

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f

Drag each label to the correct location on the chart. match the function to the type of tissue