Chloroplast. Organelle where photosynthesis takes place Contain chemical compounds called: Chlorophyll. Leaf Structure. Chloroplasts are concentrated in the mesophyll of the leaf Tiny pores in the lower epidermis (stomata) allows for CO 2 to enter and O 2 to exit.
Even when people eat meat, you can trace its stored energy back to photosynthesis.
Photosynthesis is the ultimate source of all the food you eat and all the oxygen you breathe.
Reflects green back