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You have carried out first-hand investigations that have attempted to model biological concepts - HSC - SSCE Biology - Question 25 - 2003 - Paper 1
Question 25
You have carried out first-hand investigations that have attempted to model biological concepts. Discuss the use and limitations of models when illustrating biologi... show full transcript
Worked Solution & Example Answer:You have carried out first-hand investigations that have attempted to model biological concepts - HSC - SSCE Biology - Question 25 - 2003 - Paper 1
Step 1
Discuss the use of models
Answer
Models serve as simplified representations of biological systems, allowing scientists to visualize and predict complex interactions. For instance, a model of cellular processes can help illustrate how enzymes function within metabolic pathways. They can facilitate understanding by providing a clear framework for interpreting data and making hypotheses.
Step 2
Discuss the limitations of models
Answer
However, models also come with limitations. They may oversimplify real biological processes, potentially leading to misunderstandings. For example, while a model can demonstrate the effect of variables on population growth, it may not account for ecological interactions, diseases, or environmental changes, which can skew predictions.
Step 3
Consider the context of first-hand investigations
Answer
In the context of first-hand investigations, models are crucial for designing experiments. They guide the researcher in identifying what variables to manipulate, as well as what data to collect for analysis. Nevertheless, the reliance on models can lead to biases if the researcher becomes too attached to the predictions made by the models.
Step 4