5.2 and 2.3 Impact of Feeding on Different Trophic Levels

IB Environmental Systems & Societies: 5.2 and 2.3 Impact of Feeding on Different Trophic Levels

This has amazing effects when students complete the exercise and they realise the energy impacts of eating meat. It always stimulates a lot of debate. Sometimes I have used it much earlier in the course when I discover misconceptions about "being more efficient" to eat meat.A farmer grows soybeans and keeps chickens.Grasshoppers feed on the soyabeans and the chickens eat the grasshoppers.For this exercise:


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