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Simbiosis

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  • Tambahan :

    Hubungan Simbiosis Pada Ikan (komensalisme, mutualisme, parasitisme)

    http://pobersonaibaho.wordpress.com/2011/03/25/hubungan-simbiosis-pada-ikan-komensalisme-mutualisme-parasitisme/
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Simbiosis

  1. 1. Se benefician ambas partes: microorganismos y plantas 1. Micorrizas : el hongo invade las células de la raíz y forma dentro de ella vescículas y arbúsculos (VA), se incrementa la absorción de nutrientes, P y Zn, y para el hongo queda energía (azúcares). El hongo a través de sus hifas explora el suelo hasta pequeñísimos espacios donde no llegarían las raíces para encontrar el fósforo para ambos MUTUALISMO
  2. 2. The plant benefits because it gains nitrogen. The bacteria benefit because they get sugars and nutrients to survive. <ul><li>Legumes </li></ul>Most plants have to search through the soil with their roots to find nitrogen which is a critical nutrient required for growth. Legumes on the other hand form symbiotic relationships with Rhizobium bacteria . The Rhizobium live in little nodules in the roots of the legumes and fix atmospheric nitrogen into ammonium or nitrate, forms of nitrogen that can be used by the plant. In other words, the Rhizobium turn air into fertiliser!

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