Polinización - definition

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Polinización - definition



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La polinización es el proceso de transferencia del polen desde los estambres hasta el estigma o parte receptiva de las flores en las angiospermas, donde germina y fecunda los óvulos de la flor, haciendo posible la producción de frutos y semillas.

Algunas plantas (las especies autógamas) son capaces de realizar de forma autónoma este proceso, sin necesidad de un vector externo, pero la mayoría requieren un agente externo. Éste suele ser, o bien un agente físico como el viento (plantas anemógamas), o un agente animado (plantas zoógamas). Que el vector sea un agente físico o un animal dependerá de la capacidad atractiva de la flor —vistosidad, aroma— y de su capacidad de recompensar a los animales (por ejemplo, si posee néctar).

http://es.wikipedia.org/wiki/Polinizaci%C3%B3n



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