Tropisms
A tropism is a growth movement whose direction is determined by the direction from which the stimulus strikes the plant.
tropism
reaction to stimuli, response of living organism, or some part of it, to a stimulus, usually through differential growth, etc.
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby ...
Tropism
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tropism The movement of plant parts toward or away from a stimulus in the plant's environment. Plant movement in response to an environmental stimulus. PICTURE ...
tropism
A growth response that results in the curvature of whole plant organs toward or away from stimuli due to differential rates of cell elongation.
tuber ...
geotropism Plants' response to gravity: roots grow downward, showing positive geotropism, while shoots grow upward in a negative response. PICTURE ...
Phototropism growing or leaning in response to light
(photo = light; tropo = turn‚ change)
Physiology the study of the functioning of the various body parts
(physio = nature; -logy = to study) ...
geotropism The bending responses of a plant to the forces
germ layer. In the animal embryo, one of three basic layers (ectoderm, endoderm, mesoderm) from which the various organs and tissues arise in the multicellular animal.
Phototropism → growth towards light
Large leaf surface area → captures more light
Thin leaves → few cell layer → more light captured by chlorophyll
Leaf mosaic increases leaf exposure to light
Internal Structure ...
 See also: Organ, Plant, Cell, Cells, Tissue
  
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