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Card 26

Front

Pyramid of Energy

Back

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Card 27

Front

Pyramid of Biomass

Back

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Card 28

Front

Pyramid of numbers

Back

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Card 29

Front

Aerobic

Back

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Card 30

Front

Algal bloom

Back

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Card 31

Front

Fertilisers

Back

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Card 32

Front

Genetically modified

Back

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Card 33

Front

Indicator species

Back

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Card 34

Front

Intensive farming

Back

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Card 35

Front

Pesticides

Back

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