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Conveniently, there are roughly 6 main stages in the process of eutrophication, so if you can memorise each one, step by step, you are sure to scoring full marks!

1) Algae blooms block li...

Below is a list (by no means exhaustive!) of topics you are sure to encounter in A-level biology and are frequently big features in exam papers.

If you are a GCSE student soon to be start...

Failing to distinguish between these two important command words can result in a lot of lost marks! ‘Describe’ involves writing a literal description of the data that is in front of you, may it be a gr...

It is important to look at the shape of each line.  Regardless of the species, the line with the largest, solitary spike is LH (luteinising hormone) and this occurs just before ovulation.  The line whi...

Antibiotics are used to treat various diseases and ailments by targetting the bacteria which cause said diseases. Bacteria are subject to natural selection and evolution like any other organism. Random...