PLEASE HELP!! WILL REPORT YOUR ANSWER IF IT IS CHILDISH! DEAD SERIOUS...
Some scientists claim that humans are responsible for the increase of CO2 in the atmosphere. Evaluate which system the increased CO2 levels are likely to affect, and predict the effects of increasing atmospheric CO2 on natural and agricultural ecosystems.
Grading:
* The student explains the result of elevated CO2 levels on the process it would affect most, either cellular respiration or photosynthesis. (2 points)
* The student explains the possible effect of increasing atmospheric carbon dioxide on ecosystems. (2 points)