Ecosystems. The biosphere

In this topic

• The ecosystem and its parts
• Food chain, food web, trophic levels
• The ecological pyramid and the 10% rule
• Natural and artificial ecosystems. The biosphere

Key terms

• Ecosystem
• Producer
• Consumer
• Decomposer
• Food chain
• Food web
• Trophic level
• Ecological pyramid
• The 10% rule
• Biosphere
• Cycle of matter
• Artificial ecosystem

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