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Receptors in the skin detect changes in the environment, so called stimuli. These could include a change in temperature or sensation, such as increased pressure, being touched somewhere or experiencing pa...

It is the process which uses Carbon dioxide, Water and sunlight to produce Sugar (glucose) and oxygen.

Oxygen is used in aerobic respiration. More energy is generated in aerobic respiration. Carbon dioxide and water are products of aerobic respiration, whereas lactic acid is the end product of anaerobic re...

Photosynthesis. This question may throw some students off because: 1: They may be used to the question phased as something like 'By what process do plants generate glucose' 2: They may not be aware that a...

• There is genetic variation within the population of bacteria
• The variation has occurred due to random genetic mutations
• This variation means that a bacterium may have a mutation th...