1. Unit 7 Review

2. Question 1
An Energy Pyramid is used to show ______________.

3. Energy flow in an ecosystem

4. Question 2
In an energy Pyramid, which way does the energy travel?

5. From the bottom to the top or up

6. Question 3
Give the definition of a decomposer

7. An organism that only eats dead or decaying matter

8. Question 4
Look at the following pyramid. If the producers have 7,000 kcal of energy, how much energy will be available for the Sheephead fish?

9. 70 kcal

10. Question 5
Give the definition of a consumer.

11. An organism that consumes other organisms

12. Question 6
If a bird eats insects that feed on corn, which pyramid level would the birds occupy?

13. B

14. Question 7
Give the definition of a carnivore.

15. A carnivore is an organism that only eats consumers or “meat” eaters

16. Question 8
What is the difference between a food web and a food chain?

17. A food web is made up of multiple food chains

18. Question 9
Give the definition of a producer.

19. A producer is an organism that creates its own food

20. Question 10
Give a real life example of a mutualistic relationship.

21. Answers will vary

22. Question 11
What is the source of all energy on Earth?

23. The sun

24. Question 12
What is the organism called that does the harm in a parasitic relationship?

25. Parasite

26. Question 13
One model that shows how energy passes from organism to organism is called a ________________________.

27. Food web, food chain, or food pyramid

28. Question 14
What is an herbivore?

29. An organism that only eats producers or plants

30. Question 15
Which number in the diagram below shows the secondary consumer.

31. 3

32. Question 16
What is a symbiotic relationship?

33. When two organisms live together for a short period of time or longer and at least one organisms benefits from the relationship.

34. Question 17
Give a real life example of a parasitic relationship.

35. Answers will vary

36. Question 18
What is a omnivore?

37. An organism that is both a carnivore and an herbivore
An organism that is both a carnivore and an herbivore. It eats both plants and animals.

38. Question 19
What happens to all of the energy that is not used in an organism?

39. It is lost

40. Question 20
What is mutualism?

41. A symbiotic relationship where both organisms benefit.

42. Question 21
What is parasitism?

43. A symbiotic relationship where one organism is benefitted and the other is harmed.

44. Question 22
Give a real life example of commensalism.

45. Answers may vary

46. Question 23
How much energy is actually passed from organism to organism?

47. 10%

48. Question 23
What is the organism called that is harmed in a parasitic relationship?

49. The host

50. Question 24
What level of this energy pyramid holds the primary consumers?

52. Level 2

53. Question 25
What two types of organisms eat dead matter?

54. Decomposers and scavengers

55. Question 26
When a shark eats a marlin, what kind of relationship is this considered?

56. Predator & Prey

57. Question 27
If a bear and a stork live in the same area, and they both eat fish, what kind of relationship is this can example of?

58. Commensalism