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AIM: What are Food Chains, Webs and Pyramids?

AIM: What are Food Chains, Webs and Pyramids?. Objectives. Construct models to demonstrate that organisms are related by how energy is transferred in an ecosystem. AIM: What are Food Chains, Webs and Pyramids?. Vocabulary. Food chain Food pyramid Food web.

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AIM: What are Food Chains, Webs and Pyramids?

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  1. AIM:What are Food Chains, Webs and Pyramids? Objectives • Construct models to demonstrate that organisms are related by how energy is transferred in an ecosystem

  2. AIM:What are Food Chains, Webs and Pyramids? Vocabulary Food chain Food pyramid Food web

  3. Examine this picture

  4. What is this caterpillar doing

  5. Examine this picture

  6. Now what happened to the caterpillar ?

  7. What is the food chain?

  8. GRASS

  9. Arrange these organisms as to WHO eats WHO GRASS

  10. GRASS

  11. Food Chain What does the food chain tell us about the relationship of organisms in that food chain? What does the food chain tell us about the flow of energy in the chain?

  12. Food Chain DEFINES: the flow of energy from one animal to another It defines “who” eats “who”

  13. GRASS What might happen if there were no caterpillars

  14. GRASS What might happen if there were less mice?

  15. Food Chain WRITE DOWN A FOOD CHAIN IN YOUR NOTEBOOK for hawks, berries, & birds

  16. Food Chain BERRIES

  17. Food Chain BERRIES BIRDS HAWKS

  18. What is the food web?

  19. EXAMINE THESE TWO FOOD CHAINS Leaves worms bird berries Squirrels hawks However, do birds only eat worms? What else do birds eat? What else might hawk eat?

  20. worms birds leaves hawks Insects Does this give MORE detail or LESS detail then the food chain model?

  21. worms birds leaves Insects hawks A food web shows more interactions of organisms then a food chain!

  22. In a FOOD WEB, Green Plants are referred to as … ?

  23. In a FOOD WEB, Green Plants are referred to … ?

  24. What level consumer are the rabbit, mouse, grasshopper and termite?

  25. What level consumer are the rabbit, mouse, grasshopper and termite?

  26. What level consumer are the the fox, snake, shrew, and bird?

  27. What level consumer are the the fox, snake, shrew, and bird?

  28. Now what level consumer is the mouse?

  29. Now what level consumer is the mouse?

  30. What level is the fox now?

  31. What level is the fox now?

  32. What happens to ALL plants and animals after they die?

  33. What happens to ALL plants and animals after they die?

  34. What Animal is this? How many mice does he need to eat per day/week?

  35. How many grasshoppers do two mice need to eat per day or per week week?

  36. How much grass do those “hoppers” need?

  37. What is grass called?

  38. What are the “hoppers” called?

  39. What are the mice called?

  40. What is the hawk called?

  41. What is the hawk called?

  42. This in an example of ???

  43. FOOD PYRAMID

  44. It takes more animals of a lower level to support the level above it

  45. As you move up the pyramid, there is less and less energy

  46. It take more grass to support a population of “hoppers”

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