| A | B |
|---|
| Petiole | is the leaf stalk |
| Midrib | is the large center vein |
| Blade | is the large flat part of the leaf |
| Veins | are the structural framework of the leaf |
| Margin | is the edge of the leaf |
| Apex | is the leaf tip |
| epidermis | is the skin of the leaf |
| stomates | are the small openings under the leaf for breathing or transpiration |
| Guard cells | surround the stomate and regulate its opening |
| Chloroplasts | are small green particles that contain chlorophyll and give leaves their green color |
| Photosynthesis | is the way the plant feeds itself(takes place in the leaf) |
| Respiration | converts sugar and starches into energy |
| Transpiration | is the release of water from the leaves |
| sessile | describes leave without a petiole |
| Bracts | are modified leaves |
| Needles | are modified leaves on a pine |
| Glabrous | have a smooth non-hairy feel |
| Pubescent leaves | have a hairy feel |
| Root cap | is located at the tip of the root and is where new cells are produced |
| Root hairs | absorb moisture and minerals |
