| Term | Definition |
| 4 requirements for photosynthesis | sunlight, carbon dioxide, water, chlorophyll |
| byproducts of photosynthesis | oxygen, sugars, glucose, food |
| chemical formula for photosynthesis | c6h12o6 |
| pigment | a colored chemical compound that absorbs light energy, producing color |
| chlorophyll | a green pigment found in the chloroplasts of plants, algae, and bacteria |
| chloroplast | a structure in the cells of plants and some other organisms that captures energy from sunlight and uses it to produce food |
| how do aquatic plants benefit the pond ecosystem? | the release oxygen into the water |
| iodine indicator black | starch |
| iodine indicator golden | no starch |
| stomata | the small holes on the underside of the leaf that let carbon dioxide and oxygen into the leaf |
| guard cell | a pair of curved cells that surround stomata |