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The organisms are unable to exchange genes outside of the isolated population. There may be different selective pressures which the organisms must adapt to. This means the features of the species may chan...

Factorising is taking an expression of some sort and simplifying it down to its component parts so that they are presented in the simplest way possible. For example, take the expression (15pq + 10pqr). Fi...

Hypodermic Needle Theory was developed by the Frankfurt School in the 1930s. It suggests that the media injects messages into the audience who passively accept these messages without challenge. This theor...

Analysing an unseen poem can be very daunting, however there are strategies you can employ to help you decipher them. Firstly, read the poem without making any annotations, just try to understand what you...

After biting off a chunk of food using our teeth, it is chewed with repetitive action of our jaw and teeth. Then with swallow reflex ,bolus of food enters our oesophagus via peristalsis and then the stoma...