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Plants Unit
flowering plants
| Term | Definition |
|---|---|
| angiosperm | flowering plant |
| meristematic tissue | part of plant responsible for new growth - found everywhere as every part of the plant grows |
| dermal tissue | outer protective layer - found everywhere |
| vascular tissue | transports H20, sugar and minerals |
| xylem | H20 tubes |
| phloem | sugar tubes |
| ground tissue | responsible for storage and photosynthesis of food |
| cuticle | outermost waxy layer causes shine and prevents water loss (part of the leaf) |
| upper epidermis | top protective layer (part of the leaf) |
| palisade mesophyll | does photosynthesis, tightly packed, has chloroplasts which gives green color |
| spongy mesophyll | loose cells that do photosynthesis, has less chloroplasts than palisade mesophyll |
| vascular bundle | contains xylem and phloem moving H20 and sugar |
| lower epidermis | lower protective layer |
| guard cells | circles the stomata - controls their opening and closing |
| stomata | microscopic pores that allow CO2 in and O2 out of the leaf |
| venation | veins in the leaf |
| palmate | randomized pattern |
| pinate | one singular straight line with lines coming out |
| parallel | parallel |
| leaf | main function is to do photosynthesis and does a bit of storage |
| photosynthesis equation | 6CO2 + 6H20 ----> (light) C6H12O6 (glucose) + 6O2 |
| roots | main function is to take in water and store sugar |
| tap root | thick and long |
| fibrous root | thin and all over |
| stem | main functions are structure, storage and transportation |
| herbaceous stem | soft, green, and flexible stems (non-wood) |
| woody stem | hard, rigid stems covered in bark |
| bulb | contains many layers (e.g. onion) |
| tuber | has lot of stored sugar, underground (e.g. potato) |
| stolon | above ground, store lots of sugar (e.g. strawberries) |
| rhizomes | stem grows along surface, items branch out, grows sugar (e.g. ginger) |
| monocots vs dicots (number of embryonic seed leaves/ cotyledons) | monocots have one, dicots have two |
| monocots vs dicots (organization of vascular tissue in roots) | monocots have vascular tissue arranged in a ring, dicots have vascular tissue arranged in a star shape |
| monocots vs dicots (organization of vascular tissue in stems) | in monocots, vascular bundles in the stem are scattered throughout ground tissue. in dicots, vascular bundles in stem are arranged in a distinct ring |
| monocots vs dicots (venation) | monocots have veins that are usually parallel to each other along the length of the leaf. dicots have palmate or pinate venation |
| monocots vs dicots (number of flower parts) | monocots have flowers in three parts/multiple. dicots have flowers in parts or multiples in 4 or 5 |
| monocots vs dicots (presence of wood) | monocots have no presence of wood/secondary growth, dicots have a presence of wood/secondary growth |
| monocots vs dicots (root system) | monocots - typically fibrous root system, dicots - typically taproot system |
| diffusion | movement of molecules from an area of high concentration to low concentration until equilibrium is reached |
| cohesion | attracted to itself |
| adhesion | attracted to a material |
Created by:
user-2002823
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