Chapter 11 12 Trophic Levels & Energy Transfer 1
1 Chapter 11 & 12 Trophic Levels & Energy Transfer
Ecosystem Ecosystems Communities Community Populations Population Organisms Individual Cells Cells 2
2 Cells Populations Organisms Communities Ecosystems Cells Individual Population Community Ecosystem
Contents 1.Ecosystem composition 生态系统的组成 2.Trophic levels营养级 3.Energy flow 能量流动 4.Ecological pyramids 生态金字塔 3
3 1. Ecosystem composition 生态系统的组成 2. Trophic levels 营养级 3. Energy flow 能量流动 4. Ecological pyramids 生态金字塔 Contents
Ecosystem composition 生态系统的组成 4
4 Ecosystem composition 生态系统的组成
>System >Ecosystem >Agricultural ecosystem 5
5 ¾System ¾Ecosystem ¾Agricultural ecosystem