1. Energy Flow in the Ecosystem

2. Food chain – shows which organisms each which in an ecosystem

3. Food pyramid – shows many organisms and what they eat

4. Trophic Levels troph = eat

5. Producer – makes its own food Example: grass, trees

6. Consumers – eat other organisms Herbivores/ primary consumers – eat plants Primary – first Carnivores/secondary or tertiary consumers – eat animals Secondary – second Tertiary – third Omnivores – eat plants and animals

7. Decomposer – breaks down waste Example: bacteria or fungus