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Lab 5
Biology Lab
| Question | Answer |
|---|---|
| Stems | carry H2O supports leaves and flowers |
| Roots | anchores plants absorbs and transports water |
| Leaves | Gas exchange photosynthesis |
| Plant tissue type (3 catagories) | Ground Tissue Vascular tissue and dermis tissue |
| Ground tissue consitits of three smaller cataories | parenchyma collenchyma and sclerenchyma |
| Ground Tissue (define) | supportive (main tissue in the plant) |
| Vascular tissue | conducts water (dissolves minerals and carbs.) |
| Dermal tissue | protection (outer layer) Prevents water loss |
| Parenchyma | ground tissue most common (carries out photosynthesis and storage functions) |
| Collenchyma | ground tissue [uneven thick primary wall] support young plants {cells dont contain ligilands} so they can stretch |
| Schleenrchyma | ground tissue (supports mature plant areas) (secondary cell wall...lignified) |
| Fibers | (schlrenechylma) bundles of long and thin strands |
| Scleriods | irregularly shaped short .. can be branched |
| Vascular tissue | conect roots to leaves |
| Xylem | Vascular tissue (conduct water from roots to plants) impermeable |
| Phloem | (flow) trasports photosynthesis thru the plant premeable |
| Dermal Tissue | edidermal cells mostly |
| Stromata | gas exchange guard cells (humidity regulates opening) |
| Fibrous root system | primary and secondary roots (flower) |
| tap root system | large primary root (small secondary roots) {carrot} |
| apical meristem | dividing cells root growth (primary growth) |
| Root cap | protect apical meristem |
| Root hairs | increase surface area |
| cortex | photosynthesis uptake of water and mineral |
| pericycle | secondary root protection |
| Endodermis | inner layer of the cortext |
| (identify monocots and dicots) | in slide show |
| leaf arrangments | oppostie alternate whorled |
| node | point of stem and leaf |
| leaf primordia | bulge flanks meristem |
| apical meristem (shoots) | mass of dividing cells at the tip of the shoot primary growth |
Created by:
texasusangel
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