Ecological Pyramids More On Photosynthesis Green plants have chlorophyll (chemicals inside of chloroplast organelles); the chlorophyll molecules capture the sun’s energy and use that energy to combine CO2 & H20 into glucose, (C6H12O6) Examples of Producers Algae Green plants Phytoplankton (microscopic water plants) The Importance of Photosynthesis All consumers break down the glucose they take in through their food using the process of cellular respiration!! ALL THE CO2 THAT IS RELEASED THROUGH CELLULAR RESPIRATION AND BURNING OF FOSSIL FUELS CONTRIBUTED TO THE GREEN HOUSE EFFECT. That’s why CO2 is a greenhouse gas. What is greenhouse effect?