| A | B |
| only green plants | make food for themselves |
| during the day | green plants take in carbon dioxide |
| during the night | green plants take in oxygen |
| all energy | originates in the sun |
| cell wall | found only in plant cells. Gives shape and support to cell |
| vacuole | stores water and dissolved material in plant cells |
| chloroplast | contains and controls chlorophyll |
| chlorophyll | the substance in the chloroplast that allows the plant to trap the sun's light |
| photosynthesis | the process by which green plants make food for themselves |