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Balanced Ecosystems and Natural Disasters

Explore the concept of balanced ecosystems and the impact of natural disasters on them. Learn about the survival strategies of prairie dogs in the Great Plains and the importance of organism interactions in maintaining ecosystem balance.

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Balanced Ecosystems and Natural Disasters

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  1. THIS IS Jeopardy

  2. Your With Host... Mrs. Pro

  3. Jeopardy D- Hosts and ‘sites E- Teacher’s Choice B- Vocab A- Balanced Ecosystems C- Natural Disasters 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500 500 500 500

  4. 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

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

  6. 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

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

  8. 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

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

  10. 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

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

  12. 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

  13. 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

  14. 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

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

  16. 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

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

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

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

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

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

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

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

  24. 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

  25. 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

  26. 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

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

  28. 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

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

  30. DAILY DOUBLE DAILY DOUBLE C 400

  31. 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

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

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

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

  35. 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

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

  37. 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

  38. 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

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

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

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

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

  43. 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

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

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

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

  47. 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

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

  49. 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

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