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How does this loss of energy explain why pyramids of biomass can have more than approx. five trophic levels?

What elements do plants take in and how are these passed through the food chain?

How are these elements returned to the environment?

What conditions do microorganisms work best in and why?

What does it mean by recycling elements?

What happens to materials in a stable community?

What can the decayed remains of animal and plant matter in compost bins be used as?