1. Trophic Levels & Energy in Ecosystems

2. Energy Movement through Ecosystems Energy flows through ecosystems Trophic levels: feeding relationships

3. Trophic Relationships Primary producer – All autotrophs Primary consumer – Herbivores (eat producers) Secondary consumer – Carnivores (eat primary consumers) Tertiary consumer – Carnivores (eat secondary consumers) Quaternary consumer – Carnivores (eat tertiary consumers) Detritivore – Eat dead plant/animal matter Decomposer – Recycle matter back to soil

4. Food Chain A linear relationship that illustrates how energy flows in an ecosystem

5. Food Web A collection of interconnecting food chains