2. Food Chains, Webs & Pyramids!

3. 1) The Passage of Energy The Sun The source of energy for all life on the planet Producers (Autotroph) Use the sun’s energy to make food in photosynthesis Consumers (Heterotroph) Eat Producers or Consumers to obtain their energy Decomposers (Heterotroph) Break down dead material to obtain their energy

4. 2) Consumer Types: Herbivores Eat plants Omnivores Eat plants and animals Carnivores Eat animals

5. 3) Consumer Orders: 1 st Order (Primary Consumer) Eat plants 2 nd Order (Secondary Consumer) Eat animals that ate plants 3 rd Order (Tertiary Consumer) Eat animals that ate animals that ate plants 4 th Order (Quaternary Consumer) Eat animals that ate animals that ate animals that ate plants

6. 4) Food Chains Illustrates the passage of food (energy) from one organism to another in an ecosystem Arrows represent the direction energy moves “Get in my belly!”

7. 5) Food Webs Since most organisms eat more than one thing, a web shows the realistic transfer of energy Can you make a food web with these organisms? Draw on your paper!

8. 6) Food Web

9. 7) Energy Pyramid Describes the amount of energy that is passed from one level to another (10%). Most energy is used for living and a small amount is lost as heat 10%