| A | B |
|---|
| blade | The thin, flattened section of a leaf |
| stomata | Openings in the underside of a leaf |
| guard cells | Specialized cells that control the opening and closing of stomata |
| transpiration | The loss of water from a plant through its leaves |
| cohesion | The attraction of molecules of the same substance |
| adhesion | Attraction between unlike molecules |
| capillary action | The tendency of water to rise in a thin tube |
| chlorophyll | The green pigment in plants used to carry out photosynthesis |
| haploid | having one set of chromosomes |
| diploid | having two sets of chromosomes |
| bryophyta | phylum that includes mosses |
| vascular tissue | includes xylem and phloem |
| xylem | Carries water upward from the roots to every part of the plant |
| phloem | Transports nutrients and carbohydrates produced by photosynthesis |
| roots | Underground organs that exchange water and minerals with the environment |
