1. 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Eco-friendly A special relationship Web Browser What’s the Matter? It’s crowded up in here!

2. This is the source of all energy in an ecosystem

3. The sun

4. This is the name given to all the living parts of the environment

5. Biotic Factors

6. Water, temperature, and air are this type of factors

7. Abiotic

8. This is the name given to organisms that make their own food, from solar energy

9. Producers/autotrophs

10. What is another name for a consumer?

11. Heterotroph

12. This is the type of relationship between a flea and a dog

13. Parasitism

14. Bacteria in the stomachs of cows help cows digest their food. We describe this as this type of relationship…

15. Mutualism

16. This word is used to describe how organisms interact with one another we define it as “living together”

17. Symbiosis

18. An orchid can use a tree trunk to receive extra nutrients, it does not hurt the tree by growing on it…this is an example of:

19. Commensalism

20. A lion may hunt a zebra. They belong to different trophic levels. Name what type of consumer the lion and zebra would be?

21. Lion= secondary consumer Zebra= Primary consumer

22. What do the arrows represent in a food chain Grass Rabbit Fox

23. Energy transfer

24. This is the name given to organisms that eat both animal and plant material

25. Omnivores (Tertiary Consumers)

26. Animals that eat plants only are called

27. Herbivores (Primary consumers)

28. Organisms that include bacteria and fungi are called:

29. Decomposers

30. How many herbivores are in the food web above?

31. Three: Grasshopper, squirrel and rabbit

32. This is what we call anything that takes up space

33. Matter

34. Give an example of types of matter that get recycled in the environment

35. Water, Carbon

36. At In an energy pyramid, organisms at the top only get a certain amount of energy, because most energy is lost as heat and waste material. What do we call this rule?

37. 10 % Rule

38. What happens to all the matter that exists on earth?

39. It gets recycled

40. What process shown above, decreases the amount of carbon dioxide in the air?

41. Photosynthesis

42. As a predator population increases, what happens to the prey population?

43. Decreases

44. What do we call this type of growth?

45. Exponential (J-curve)

46. What is another name for carrying capacity ?

47. (K)

48. Space, births, mates, food are considered this type of factors….

49. Density-Dependent

50. What does the dashed line represent?

51. Carrying capacity (K)