| A | B |
|---|
| rhizoids | rootlike filaments made up of a few long cells |
| liverworts | means "herb for the liver" |
| pioneer species | are first to grow in new or disturbed areas |
| cellulose | an organic compound found in plant cell walls |
| moss | a seedless, rootless plant with leaflike growths |
| cuticle | a waxy, protective layer on leaves of plants |
| vascular plants | plants that have tubelike structures for transporting substances |
| stomata | small pores on leaf surfaces allowing carbon dioxide in |
| phloem | vessels that move food from leaves to other plant parts |
| spongy layer | loosely arranged cell layer in the leaf |
| palisade layer | closely packed cells under the epidermis of leaves |
| xylem | vessels that transport substances from the roots to other parts of the plant |
| guard cells | open and close stomata |
| cambium | tissue that produces new xylem and phloem cells |
