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