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AN INVESTIGATION TO SEE THE EFFECT OF AN ABIOTIC FACTOR ON THE FREQUENCY AND DISTRIBUTION OF A FRESHWATER INVERTEBRATE
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A2 Biology Investigation AN INVESTIGATION TO SEE THE EFFECT OF AN ABIOTIC FACTOR ON THE FREQUENCY AND DISTRIBUTION OF A FRESHWATER INVERTEBRATE (i) Planning Introduction Before a complex biological study can be planned and formulated, the terminology in the title above must be clarified. The investigation requires a sound knowledge of ecology, which essentially is the study of organisms, whether they be animals or insects, and their relationship with the environment in which they live. The title of the investigation states that it is the effect of an abiotic factor that is being investigated, as opposed to a biotic factor. There is a very subtle difference between these two factors. Biotic and abiotic factors can both affect how an organism lives and interacts with the immediate environment. 1. Biotic factors are the effects of all the other living organisms that inhabit the studied ecosystem. Organisms can influence each other in many ways of which predation is...
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