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life science 12a&b
| Question | Answer |
|---|---|
| are plants eukaryotic or prokaryotic | eukaryotic |
| what are eukaryotic cells | true cells with a nucleus |
| plants are unicellular of multicellular | multicellular |
| plastid in plants | chloroplasts |
| cell walls have what carbohydrate that gives it strength | cellulose |
| 3 organs in plants | roots, stems, leaves |
| what has nodes of the 3 organs | stems |
| 2 organ systems found in plants | shoot & root |
| of 2 organ systems which one is above the ground | shoot |
| of the to organ systems which one is below the ground | root |
| organs included in root system | leaves and stem |
| function of root system | transports minerals and water from soil throughout plant |
| 2 different root systems found in plant | tap and fibrous roots |
| difference between tap and fibrous roots | tap- big root fibrous-little roots |
| 2 types of roots | woody and herbaceous |
| difference between woody and herbaceous | woody-hard herbaceous-flexiable |
| flat part of leaf | blade |
| around edge of leaf | margin |
| blade to stem or branch | petiole |
| carry water and nutrients to and fro | veins |
| 3 types of leaf margins | smooth, toothed, and lobed |
| example of toothed margin | holly |
| lobed margin | oak |
| difference between simple and compound | simple- one main part compound- main rib with leaflets |
| veins that run up and down | parallel |
| veins branch base of leaf | palmate |
| one main vein smaller branches off | pinnate |
| leaf arrangement 2 leaves per node | opposite |
| only one leaf per node alternate up branch | alternate |
| stiffen cell wall and support leaves pressure caused by inside of plant cell | turgor pressure |
| pigment found in leaves | chlorophyll |
| 2 types of vascular tissue | xylem and phloem |
| phloem transports | sugar |
| xylem transports | water |
| vascular tissue bundles of tissues | vascular bundles |
| lies outside skin cells push outward give this a roof apperance | bark |
| outermost tissue layer in a plant | epidermis |
| waxy covering called the | cuticle |
| extremely long narrow plant cells used to make ropes | fibers |
| difference between spring and summerwood | summer wood- late summer to early fall spring wood- late spring to early summer |
| together spring wood and summer wood make up the | annual rings |
| equal size roots example grass | fibrous` |
| darker ring | summer wood |
Created by:
dinospizzagirl1999
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