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Allopatric speciation occurs when the population of a species becomes divided and the two (or more) groups are isolated from one another. Different factors in the environment of each group will affect th...

The term global village refers to the phenomenon of Globalisation and the idea that over recent years, the world has become a highly connected place where places , people , things and societies have becom...

The binding of the first oxygen molecule changes the tertiary and therefor the quaternary structure of the haemoglobin molecule, therefore exposing another binding site making is easier for the second mol...

AO1 is worth 6/16 marks and so should be no longer than 1-2 paragraphs. This should include any key theorists and studies as well as addressing ‘outline’ portion of the question. This could include discus...

Static efficiency describes the level of efficiency at a certain point in time. This, therefore, describes both allocative and productive efficiency. A firm is productively efficient if they are at their ...