A green plant can carry out photosynthesis if given nothing more than water, light, and carbon dioxide.
During photosynthesis, plants use light energy to convert carbon dioxide and water into glucose (a type of sugar) and oxygen. This process takes place in the chloroplasts of plant cells, which contain the pigment chlorophyll. Plants absorb carbon dioxide from the air through tiny pores on the leaves called stomata. They also absorb water from the soil through their roots and transport it to the leaves. When light energy is absorbed by chlorophyll, it initiates a series of chemical reactions that result in the production of glucose and oxygen.