| A | B |
|---|
| Bryophyta | the mosses |
| Pterophyta | the ferns |
| Gymnosperms | cone bearing plants |
| Angiosperms | the flowering plants |
| antheridia | male gametangia in mosses and ferns |
| archegonia | female gametangia in mosses and ferns |
| gametophyte | haploid plant generation |
| sporophyte | diploid plant generation |
| cotelydons | seed leaves |
| parenchyma | most general plant cell |
| collenchyma | cell that supports growing parts |
| sclerenchyma | cell that supports parts no longer growing |
| tracheids and vessel elements | cells that transport water |
| sieve-tube members | cells that transport sucrose |
| xylem | tissue that conducts water and ions |
| phloem | tissue that conducts sucrose |
| apical meristem | site of primary growth |
| vascular cambium | produces new xylem and phloem |
| bark | tissues outside the vascular cambium |
| stomates | opened and closed by guard cells |
| cuticle | waxy covering of a plant |
| transpiration | evaporation of water through stomates |
| translocation | process of sucrose transport |
| sepal | leaf that protect developing flower |
| carpel | female organ in a flower |
| stamen | male organ in a flower |
| endosperm | triploid source of nutrition |
| fruit | ripened ovary |
| auxin | hormone controlling phototropism |
| ethylene | hormone controlling the ripening of fruit |
