Beans or Beef?
In order to reduce the amount of energy lost in a food chain, the number of stages should be kept to a minimum. So even though there is more protein in the beef, the beans are a more efficient way to get protein as less energy is used to produce the same amount of protein.
Maximising food production
There are 4 main ways to maximise food production. Click on the images to find out more:
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Increase the energy transferred
along the food chain - Reducing disease
- Controlling predators
- Improving conditions for
feeding and growing