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Primary succession begins with newly formed land such as bare rock of volcanic island. Pioneer species such as lichens and mosses colonise the rock. When these pioneer species die organic matter builds u...
Osmosis is the free movement of water molecules across a partially permament member from high water potential to low water potential, down the water potential gradient, without the input of energy.
Firstly outline the factors needed for seed germinination:There are 3 essential conditions required for a seed to germinate - a seed will not germinate until these external ...
A guide to how the student should approach the question which they can follow in the exam: 1) IDENTIFY what the question is asking you to do - in this case, the question is...
La política china de hijo único fue introducido en China en 1979 como medida de control de la población. Mientras que durante este período, de hecho hubo una disminución en el crecimiento de la población,...
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