| A | B |
| carotenoids | red yellow or orange pigments found in plant-cell chloroplasts and in all cynanobacteria |
| cellulose | the organic compond that forms plant cell wall |
| cuticle | a waxy protective layer on stems and leaves of a plant conserve water |
| vascular plants | a plant having tube-like vessels |
| nonvascular plants | plant with no vessels |
| moss | rootless, nonvascular plant with leaflike growths that spiral arouond a stemlike structure |
| rhiziods | rootlik filaments containing only a few long cells |
| liverwort | a simple, rootless, nonvascular plant having a flattened, leaflike body |
| sporophyte | the form of a plant the produces male and/or female gametes |
| alternation of generation | in some protist and in plants, a cycle that alternates between sporophyte and gemetophyte generations |
| pioneer species | the first plants to grow in a new or disturbed area |
| vascular tissue | in vascular plants, tissue made up of long cells that form tubes |
| epiphyte | a plant that grows on other plants for physical support |
| rhizome | the underground stem of a fern |
| frond | the leaf of a fern |
| sori | structures that produce spores on the underside of fern fonds |
| prothallus | the structure in ferns that produce gametes |