The intelligence of plant-2: The movements of the plants. Dissemination 94th
Remembering that by intelligence we mean the ability to understand, assimilate, problem solving and to store an information.
In this actual blog we expose new evidence related to the capacity of movement of plants in response to the uptake of environmental circumstances and problem solving, as a sign of intelligence of the plants
The plants receive two types of external stimuli: directional stimuli and external non-directional stimuli.
Among the most frequent directional stimuli we point out the light, gravity, physical contact and the presence of the water. The plants respond to these stimuli with movements that are called respectively: phototropism, geotropism, hidrotropism and tigmotropism to lead a part of the plant to the origin of the stimulus either through a unidirectional movement or by turning on itself called circumnutating.
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However other stimuli not always come from the same direction. This time the response of plants is regulated by a battery of passenger movements is regulated by the genetic code and are called nastias. Among the more common nastias we highlight: epinastia (bend down), fotonastia (opening and closing of flowers according to light intensity), hyponasty (curl up), nyctinasty (open and close like circadian cycles) quimionastia (chemical substances) seismonastia (reaction to mechanical shock) and termonastia (temperature).
As the result of movements we can observe the opening and closing of flowers, roots movement regulated by the presence of stromatolites in the root tips enabling them to absorb water and nutrients, the movement of the leaves by pulvinulus (ventral and dorsal motor cells of the leaves) that allows them to optimize sun exposure or the movement of the branches toward the source of light (phototropism ) and is regulated by the distribution of molecules called auxin on the dark side of the limb and causing elongation of the cells on this side branch leading into the light.
These are evidence that the plants are able to analyze the external circumstances of their surroundings and react accordingly, wisely, in order to ensure better quality of life and avoid its disappearance.
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