| A | B |
| Chlorophyll | photosnythesis |
| non-vascular, seedless | bryophytes |
| vascular, seedless | ferns |
| vascular, seed bearing | gym / angio sperms |
| gymnosperms | non-flowering plants |
| angiosperms | flowering plants |
| monocotyledons | one seed leaf |
| dicotyledons | two seed leaves |
| seed | reproductive structure containing embryo, surrounded by seed coat |
| endosperm | provides food for seed |
| xylem | conducts water |
| phloem | conducts food |
| taproot | reaches deep for water |
| fibrous root | absorbs water and minerals most efficiently |
| herbaceous | non-woody |
| tuber | potato |
| succulent | cactus |
| blade | flattened portion of leaf |
| petiole | attaches leaf to stem |
| midrib | major vein in middle of leaf |
| parrallel veins | monocots |
| netted veins | palmate or pinnate |
| epidermis | top and bottom of leaf |
| stomata | located in epidermis |
| flower | specialized reproductive organ |
| perfect flower | stamens and pistals |
| imperfect flower | stamens or pistals |
| pollination | transfer of pollen from another to stigma |
| fertilization | egg and sperm join |
| seed coat | protects seed |
| fruit | enlarged and ripened ovary containing one or more seeds |
| germination | first growth of seed |
| annuals | seeds live one year |
| perennials | plans that live two or more growing seasons |
| biennials | two year life cycle of a plant |
| auxin / gibberellin | growth hormone |
| cytokinins | stimulate cell divisions |
| phototropism | response to light |
| geotropism | response to gravity |
| thigmotropism | response to touch |
| photoperiodism | response to varying degrees of light |
| aerial stems | above ground stems |
| apical meristems | growing points on stem tips |
| corms | compressed, underground bulb-like stem base of a plant |
| rhizome | creeping, horizontal stemp growing underground |
| bulbs | shortened underground stems with overlapping fleshy leaf bases |