1. Energy flow in Ecosystems
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Vobabulary:
Trophic level

2. Trophic Levels
tertiary consumer
secondary consumer
Primary consumer
Producer

3. Primary Producer plant/ algae autotrophs 99%
Primary consumer herbivores hetrotrophs
Secondary consumer primary carnivore
Tertiary consumer top carnivore
Usually no more than 5 links in a food chain. Why?
Detritivores, scavengers, and decomposers
Detritivores: consume litter, debris, and dung
Scavengers: clean-up dead carcasses
Decomposers: microorganisms that complete final breakdown of organic matter

5. Energy Pyramid

6. Food Chain

7. Food Web