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. A person can donate blood to another person without being affected. This is an example of…

19. Commensalism

20. Ana feeds her dog daily, and takes her dog for a walk. Ana, in turn, gets protected by her dog because she lives alone. This relationship is called…

21. Mutualism

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

26. Animals that eat plants only are called

27. Herbivores

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, Nitrogen

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 kind of organisms are specially needed to use nitrogen and turn it into plant proteins? Bacteria Plant proteins eaten Decaying living matter Lightning Nitrogen fixing bacteria Nitrogen-based materials Animal waste Decaying living matter Nitrogen in the air Denitrifying bacteria

39. BACTERIA

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 was the exact date in which the human population reached the 7 billion mark?

47. Halloween 2011

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)