1. Food Pyramids/Food Webs
Ecology 2.0
Food Pyramids/Food Webs

2. Write as many animals as you can that don’t need to eat.

3. Food Chain/Food Web- diagrams that show feeding relationships between different species. Provide a model of how energy flows through an ecosystem.

5. Producers
Producers- organisms that can make their own food through photosynthesis. Example: Plants

6. Consumers
Consumer- organisms that cannot make their own food and must get energy form other living organisms.
Example: Lion
Name the
Producer and
Consumer ?

7. Decomposers
Decomposer- organisms that get nutrients and energy by breaking down remains of dead organisms or animal waste.
Example: Bacteria & Fungi

8. Key point- Decomposers
Decomposers recycle nutrients like carbon and nitrogen back into the environment so producers can use them.

9. What two key elements are returned to the atmosphere by decomposers?

10. Answer
Carbon and Nitrogen

11. Is this always the case?

12. How could you add decomposers to this food chain?

13. Herbivore- feed on plants only
Carnivore-feed on animal flesh only
Omnivore- feed on both plants and animal flesh

14. What are you?

16. Food Web
Food Web- More complex series of food chains

17. Zombie Apocalypse

18. Only one producer can survive. Only one producer can survive
Only one producer can survive. Only one producer can survive! It is your job to choose which producer survives. Explain, in full sentences which producer you would choose and why?