| A | B |
|---|
| photosynthesis | the process by which plants, algae, and some bacteria use sunlight, CO2, and water to make food |
| cellular respiration | the process by which cells use O2 to produce energy from food |
| stoma | one of many openings in a leaf or a stem of a plant that is the site for gas exchange |
| transpiration | the process by which plants release water vapor into the air through stomata |
| dormant | inactive |
| plantlets | tiny plants that grow along the edge of palant leaves and drop off |
| tubers | underground stems |
| runners | above-ground stems |
| tropism | the growth of all or part of an organism due to an external stimulus |
| gravitropism | growth in response to changes in gravity |
| short-day plants | plants that flower in fall or winter |
| long-day plants | plants that flower in spring or summer |
| evergreen trees | have leaves that are adapted to survive throughout the year |
