2. THIS IS
Jeopardy

3. With
Your
Host...
Mrs. Pro

4. Jeopardy A-
Balanced Ecosystems B-
Vocab C-
Natural Disasters D-
Hosts and
‘sites E-
Teacher’s Choice
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200
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300
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400
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500
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500

5. Why do prairie dogs survive in the Great Plains?
A- They have driven out all the other prairie dogs.
B- Their needs are met by that environment.
C- Humans feed them.
D- Humans have moved to the prairie.
A 100

6. Why do prairie dogs survive in the Great Plains?
B- Their needs are met by that environment.
A 100

7. What describes a balanced ecosystem?
A- There is enough water for people.
B- One type of animal and plant depend on each other.
C- No animal or plant drives out other animals or plants.
A 200

8. What describes a balanced ecosystem?
C- No animal or plant drives out other animals or plants.
A 200

9. A- more rain that grass needs B- more owls that eat squirrels
A meadow forest has too many squirrels. What would help balance this ecosystem?
A- more rain that grass needs
B- more owls that eat squirrels
C- fewer owls that eat squirrels
D- more acorns for squirrels to eat
A 300

10. B- more owls that eat squirrels
A meadow forest has too many squirrels. What would help balance this ecosystem?
B- more owls that eat squirrels
A 300

11. How do these organisms’ interactions help balance their ecosystem?
A- Ants make homes in grass.
B- Grass and ants both need oxygen.
C- Grass makes oxygen, and animals use it.
A 400

12. How do these organisms’ interactions help balance their ecosystem?
C- Grass makes oxygen, and animals use it.
A 400

13. How might a forest fire affect the balance of a forest ecosystem?
A- It destroys sources of food and shelter for living things.
B- It creates sources of food.
A 500

14. How might a forest fire affect the balance of a forest ecosystem?
A- It destroys sources of food and shelter for living things.
A 500

15. What happens when two or more species in an ecosystem must use the same limited resource?
A- succession
B- parasites
C- competition
D- extinction
B 100

16. What happens when two or more species in an ecosystem must use the same limited resource?
C- competition
B 100

17. What are organisms that live on or in another organism, helping themselves but hurting the other organism?
A- host
B- parasite
C- endangered
D- producer
B 200

18. What are organisms that live on or in another organism, helping themselves but hurting the other organism?
B- parasite
B 200

19. What is a gradual change from one community of organisms to another?
A – natural disaster
B- hazardous waste
C- competition
D- succession
B 300

20. What is a gradual change from one community of organisms to another?
D- succession
B 300

21. What are substances that are very harmful to humans and other organisms?
A- hazardous wastes
B- hosts
C- parasites
D- natural disasters
B 400

22. What are substances that are very harmful to humans and other organisms?
A- hazardous wastes
B 400

23. What is an organism that is harmed by a parasite?
A- endangered species
B- extinct species
C- host
D- parasite
B 500

24. What is an organism that is harmed by a parasite?
C- host
B 500

25. A: The number of sharks would decrease.
How would an ecosystem change if the fish that were a main source of prey for sharks became sick and died?
A: The number of sharks would decrease.
B: The number of sharks would increase.
C- The sharks would find new prey.
C 100

26. A: The number of sharks would decrease.
How would an ecosystem change if the fish that were a main source of prey for sharks became sick and died?
A: The number of sharks would decrease.
C 100

27. Which would cause an ecosystem to change quickly?
A- a gradual climate change
B- a lake becoming a marsh
C- a lake drying up
D- an earthquake
C 200

28. Which would cause an ecosystem to change quickly?
D- an earthquake
C 200

29. What could scientists tell from a fish fossil in a prairie?
A- The fish is extinct.
B- Fish one had legs to travel.
C- Fish once lived on the prairie.
D- The prairie was once a sea or lake.
C 300

30. What could scientists tell from a fish fossil in a prairie?
D- The prairie was once a sea or lake.
C 300

31. DAILY DOUBLE
DAILY DOUBLE
C 400

32. What is one way a flood might affect an ecosystem?
A- the grass will become dry
B- the grass may die
C- the grass will grow
C 400

33. What is one way a flood might affect an ecosystem?
B- the grass may die
C 400

34. If there was a flood, which population might increase?
A- squirrels
B- prairie dogs
C- chipmunks
D- fish
C 500

35. If there was a flood, which population might increase?
D- fish
C 500

36. What impact does a parasite have in an ecosystem??
A- helps the entire ecosystem
B- hurts one organism and helps another
C- helps both the host organism and the parasite
D- hurts the host and the parasite
D 100

37. What impact does a parasite have in an ecosystem??
B- hurts one organism and helps another
D 100

38. An insect called the balsam wooly adelgid is a parasite that kills Fraser fir trees. As the insect feeds it…
A- helps the tree.
B- harms the tree.
C- competes for food.
D 200

39. An insect called the balsam wooly adelgid is a parasite that kills Fraser fir trees. As the insect feeds it…
B- harms the tree.
D 200

40. If a host dies, the parasite…
A- continues to thrive.
B- might look for another host.
C- competes with other hosts.
D 300

41. If a host dies, the parasite…
B- might look for another host.
D 300

42. Which organism benefits from the parasite-host relationship?
A- both
B- neither
C- parasite
D- host
D 400

43. Which organism benefits from the parasite-host relationship?
C- parasite
D 400

44. What could help an organism that is living with the parasite.
A- Removal of the parasite.
B- Nothing can help it.
C- Adding more parasites.
D- Finding a new host.
D 500

45. What could help an organism that is living with the parasite.
A- Removal of the parasite.
D 500

46. What does this illustration show?
A- parasites and hosts
B- competition
C- succession
E 100

47. What does this illustration show?
C- succession
E 100

48. What might be a reason an animal becomes extinct?
A- Its habitat has been destroyed.
B- It is a predator.
C- It produces oxygen.
D- It adapted to its environment.
E 200

49. What might be a reason an animal becomes extinct?
A- Its habitat has been destroyed.
E 200

50. How can damage from strip mines be repaired?
A- Erosion can fill the hole.
B- Mining companies can replace the soil.
C- Rain can wash the rocks away into rivers.
E 300

51. How can damage from strip mines be repaired?
B- Mining companies can replace the soil.
E 300

52. Why did the United States establish national parks?
A- to make money for the national government
B- to give Americans a chance to see things they’ve never seen before
C- to preserve nature’s beauty and habitats of plants and animals
E 400

53. Why did the United States establish national parks?
C- to preserve nature’s beauty and habitats of plants and animals
E 400

54. When does succession occur?
A- All the time
B- When an environment changes
C- When competition occurs
D- When there is a parasite
E 500

55. When does succession occur?
B- When an environment changes
E 500