| A | B |
|---|
| reaction | response of an organism to a stimulus |
| aerobic respiration | breathing that uses oxygen to breakdown food chemically |
| respiration | releasing energy from food and the exchange of gases |
| tropism | positive and negative plant responses |
| eukaryotic cell | cells with a nucleus and organelles |
| long day plant | plants that require short nights to flower |
| thigmotropism | a plant's response to touch that changes the behavior |
| transpiration | loss of water through the stomata |
| photosynthesis | using light to make glucose and oxygen |
| phototropism | the growth response of a plant to light |
| biotechnology | a process of moving DNA directly from one organism to another |
| phytoremediation | a cleanup method in which plants do the cleaning |
| mitochondria | cell organelles that breakdown food molecules and release energy |
| stimulus | anything in the environment that affects behavior of an organism |
| transgenic crop | a crop of plants that has new DNA inserted to improve yield, disease resistance, etc. |
| auxin | a plant hormone |
| gravitropism | the growth response of an organism to gravity |
| day neutral plant | plants that are not sensitive to hours of darkness |
| short day plant | plants that require long nights to flower |
| diffusion | the movement of molecules from areas of greater concentration to lesser concentration |
| photoperiodism | flowering response of a plant to light |
| coevolution | two species that change together over time |
