Support and movement (chap 16) part 1
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Support and movement. 2 ND YEAR (CHAPTER 16)
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Transcript of Support and movement (chap 16) part 1
Support in plants
• Turgor pressure• Lignifies walls• Bundle cap• Large Vacuole• Sclerenchyma and
collenchyma tissues
Autonomic Movement ( spontaneous movement due to internal causes )
Tactic movement •Photo tactic •Chemotactic
Turgor movement •Sleep movement •Rapid movement of leaflets
Growth movement •Epinasty•Hyponasty•Nutation
paratonic Movement (movement due to external causes )
Tropic movement
•Phototropism•Chemotropism•Geotropism•Hydrotropism•thigmotropism •Chemotactic
Nastic movement
•Nyctinasty ( photonasty and thermonasty) •Hyponastic movement