| A | B |
| photosynthesis | process by which green plants use the sun's energy to make food |
| pigment | a substance that gives color to plant or animal tissues |
| clorophyll | the green substance found in most plants |
| chloroplasts | parts of the leaf in which photosythesis takes place |
| glucose | a simple sugar |
| molecule | a very small amount, formed by combining atoms |
| carbon dioxide | a colorless, odorless gas occurring naturally |
| cellular | related to cells |
| microbes | very tiny living organisms |
| uniquely | unusually |
| integral | necessary for something to be whole |
| resources | things that are ready to use to meet needs |
| respiration | the action of breathing |
| essential | absolutely necessary |
| chemical | related to the properties of substances |
| properly | correctly |
| presence | the state of being in a place, of being present |
| release | to let go |
| recombine | to join together differently |
| continuously | without end |
| existence | the state of existing or being |
| synthesis | putting things together |