A food chain depicts a linear pathway of organisms transferring energy as one organism eats another. A food web illustrates a more complex network of interconnected food chains within an ecosystem. An energy pyramid visually represents the decrease in biomass and increase in trophic levels from producers to primary, secondary and tertiary consumers.

1. Food Chains, Food Webs & Energy Pyramids

4. This is an example of a FOOD CHAIN . Black Arrows = Energy.

5. This is an example of a FOOD WEB. Red Arrows = Energy!

6. Food chain Food Web

7. This is an example of an ENERGY PYRAMID

9. How are they the same? Food Chain Food Web

10. How are they the different? Food Chain Food Web

11. What do they tell us? Food Chain Food Web