This lesson describes and explains how production is affected by a range of farming practices designed to increase the efficiency of energy transfer. The PowerPoint and accompanying resources are part of the third lesson in a series of 3 which have been designed to cover the detail included in specification point 5.3 of the AQA A-level Biology specification.
Over the course of the lesson, a range of tasks which include exam-style questions with displayed mark schemes, guided discussion periods and quick quiz competitions will introduce and consider the following farming practices:
- raising herbivores to reduce the number of trophic levels in a food chain
- intensely rearing animals to reduce respiratory losses in human food chains
- the use of fungicides, insecticides and herbicides
- the addition of artificial fertilisers
The ethical issues raised by these practices are also considered and alternative methods discussed such as the addition of natural predators and the use of organic fertilisers like manure
As this is the last lesson in topic 5.3, it has been specifically planned to challenge the students on their knowledge of the previous two lessons and this includes a series of questions linking farming practice to the formula to calculate net production
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Amazing resources! At the end of this PowerPoint it mentions an upcoming lesson for topic 5 on the rest of the topic (nitrogen cycle) but I can't seem to find it?
Great resources building on knowledge. Fun and engaging and makes students think!
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