This lesson explores how certain farming methods reduce biodiversity and considers the importance of a balance between conservation and farming. The PowerPoint and accompanying resources are the second in a series of 2 lessons which cover the detail in point 4.6 (biodiversity within a community) of the AQA A-level biology specification.
The lesson begins by challenging the students to use the % change formula to calculate the predicted population in the UK by mid 2030. This increase to almost 70 million will lead into the recognition that farmers are under constant pressure to grow and provide enough food to feed this ever-growing population. A series of tasks and discussions will consider farming methods such as continuous monoculture and herbicides and insecticides which reduce biodiversity. This introduces conservation as active management to prevent the loss of biodiversity and several methods including the CSS and buffer strips are explored to encourage the students to think about the aims of these strategies.
The other lesson covering specification point 4.6 is uploaded and named “biodiversity within a community”.
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