19- Describe the following modified leaves- a- Tendrils-a threadlike a.pdf

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19. Describe the following modified leaves: a. Tendrils-a threadlike appendage of climbing plants b. Spines- c. bud scales d. scale leaves of a bulb e. succulent leaves of a desert plant 20. What is the stalk of a leaf called? 21. What is the broad, flat, thin part called? 22. Most petioles are rather small, but in some plants they can be either massive or very long. List several examples of unusually large petiole (two are edible). 23. Shoot apical meristems make groups of cells that protrude upward and develop into leaves. What are these small protrusions of cells call? 24. As a young xylem cell matures into a tracheary element, it first must enter__ and stop_. It is initially a small. cell, but after it reaches its full size and shape, it deposits a wall that reinforces the wall. The xylem cell and its protoplasm leaving a wall..

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1. beseribe the components of kesic thein arganifirtion 2. What is the ratme of the region of cells betweten a stows niaternis anst its set of voseular bundies? regien has what typt of speciat medificatien? +. What are the basio parts of the body of an herer? S. Lige thrte frimetions of a leaf. rretection 6. The point whert a lesf is attached to a steni is called a flamblut ateve this point is an blans bud 7. Afer a leaf falls off s sten, it leaves a blank juct above the awebliary buid 8. What is phylletaxy? a. cons and irises have twe rews of leaves. This is konown as hams phyilstaxy? 9. beccrite cach of the following specialize sheots: stolen, rhizome tubec, bule, epre, and tendrils 10. All flewering plants have two types of vaceular tiscues, blane, mbian iond sts weter and minerate a wit blews, which distritutes shgar and miverats Desoribe the components of basio stem organization. 2. What is the name of the region of eelle between a sten's epidemis and its set of vasentar bundles? F. in most plants, this stem is just a compast parenchyma tissue, but in some aquatie angiosperms that tive submerged in lakes or oceans, this egion has what type of speciat modification? 4. What are the basio parts of the body of an herb? 5. List three functions of a leaf. Protection 6. The point where a leaf is attached to a stem is called a blank Just above this point is an blanis bud 7. After a leaf falls off a stem, it leaves a blank just above the twexiliany bud 8. What is phytlotaxy? a. Com and inises have two rows of leaves. This is known as blowik phylletaxy? 9. Deseribe cach of the following specialize shoots: stolow, hizome tuker, bulle eem, and tendrits.

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