PLANT RESPONSE | DESCRIPTION |
Phototropism | Growth towards light |
Geotropism | Growth of root towards earth's gravity, and growth of shoot away from earth's gravity |
Thigmotropism | Response to touch (e.g. closing of leaves of Mimosa pudica, ivy vines that cling to walls, trapping of insect by Venus Flytrap) |
Elongation of shoots | Elongation of cells in stems |
Abscission of leaves | Falling of leaves particularly in autumn |
Photo-periodism | Flowering of many plants stimulated by continuous periods of night |