AQA Biology Specification

All the main points of the specification typed out (for the Higher Tier). Apparently just regurgitating the specification correctly wil get you a B. 

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Biology Specification

B1.1. Keeping healthy
A combination of a balanced diet and regular exercise is needed to help keep the body healthy.
Our bodies provide an excellent environment for many microbes which can make us ill once they
are inside us. Our bodies need to stop most microbes getting…

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Antibiotics , including penicillin, are medicines that help to cure bacterial disease by killing
infectious bacteria inside the body. Antibiotics cannot be used to kill viral pathogens, which live
and reproduce inside cell s. It is important that specific bacteria should be treated by specific
antibiotics . The use of…

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Cells called receptors detect stimuli (changes in the environment).
Receptors and the stimuli they detect include:
Receptors in the eyes that are sensitive to light
Receptors in the ears that are sensitive to sound
Receptors in the ears that are sensitive to changes in position and enable us to keep…

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­ the first birth-control pills contained large amounts of oestrogen . These resulted in women
suffering significant side effects ­ birth-control pills now contain a much lower dose of oestrogen,
or are progesterone only ­ progesterone-only pills lead to fewer side effects
giving FSH and LH in a `fertility drug'…

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more rigorous . More recently, thalidomide has been used successfully in the treatment of leprosy
and other diseases
Illegal recreational drugs ; ecstasy, cannabis and heroin may have adverse effects on the heart
and circulatory system .
Cannabis is an illegal drug. Cannabis smoke contains chemicals which may cause mental…

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Animals and plants may be adapted to cope with specific featuresof their environment, eg
thorns,poisons and warning coloursto deter predators .

B1.4.2. Environmental change
Changes in the environment affect the distribution of living organisms .
Examples might include, but not limited to, the changing distribution of some birdspecies
and the…

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this materialso that it can be used again by plants. The same material is recycledover and over
again and can lead to stable communities .

B1.6.1. Decay Processes
Living things remove materials from the environment for growth and other processes . These
materials are returned to the environment either in…

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The information that results in plants and animals having similar characteristics to their parents is
carried by genes , which are passed on in the sex cells (gametes) from which the offspring
develop .
Genes operate at a molecular level to develop characteristics that can be seen .
The nucleus…

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Particular genes or accidental changes in the genes of plants or animals may give them
characteristics which enable them to survive better .Over time this may result in entirely new
species . There are different theories of evolution . Darwin's theory is the most widely accepted .
Darwin's theory of…

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B2.1. Cells and Simple Cell Transport
All living things are made up of cells . The structures of different types of cells are relat ed to their
functions. To get into or out of cells, dissolved substances have to cross the cell membranes .
Most human and animal cells…




Thanks a lot!

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