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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 ...
DNA replication involves a ‘complex system of enzymes'. DNA replication is semiconservative (1 stand of the original 2 stranded piece of DNA is conserved) It is a complex process involving many enzy...
Simple diffusion is the movement of a molecules from an area of high concentration to an area of low concentration across a semipermeable membrane. Diffusion happens in liquids and gases as their particle...
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