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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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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
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
Why do prairie dogs survive in the Great Plains? B- Their needs are met by that environment. A 100
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
What describes a balanced ecosystem? C- No animal or plant drives out other animals or plants. A 200
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
A meadow forest has too many squirrels. What would help balance this ecosystem? B- more owls that eat squirrels A 300
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
How do these organisms’ interactions help balance their ecosystem? C- Grass makes oxygen, and animals use it. A 400
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
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
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
What happens when two or more species in an ecosystem must use the same limited resource? C- competition B 100
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
What are organisms that live on or in another organism, helping themselves but hurting the other organism? B- parasite B 200
What is a gradual change from one community of organisms to another? A – natural disaster B- hazardous waste C- competition D- succession B 300
What is a gradual change from one community of organisms to another? D- succession B 300
What are substances that are very harmful to humans and other organisms? A- hazardous wastes B- hosts C- parasites D- natural disasters B 400
What are substances that are very harmful to humans and other organisms? A- hazardous wastes B 400
What is an organism that is harmed by a parasite? A- endangered species B- extinct species C- host D- parasite B 500
What is an organism that is harmed by a parasite? C- host B 500
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
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
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
Which would cause an ecosystem to change quickly? D- an earthquake C 200
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
What could scientists tell from a fish fossil in a prairie? D- The prairie was once a sea or lake. C 300
DAILY DOUBLE DAILY DOUBLE C 400
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
What is one way a flood might affect an ecosystem? B- the grass may die C 400
If there was a flood, which population might increase? A- squirrels B- prairie dogs C- chipmunks D- fish C 500
If there was a flood, which population might increase? D- fish C 500
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
What impact does a parasite have in an ecosystem?? B- hurts one organism and helps another D 100
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
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
If a host dies, the parasite… A- continues to thrive. B- might look for another host. C- competes with other hosts. D 300
If a host dies, the parasite… B- might look for another host. D 300
Which organism benefits from the parasite-host relationship? A- both B- neither C- parasite D- host D 400
Which organism benefits from the parasite-host relationship? C- parasite D 400
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
What could help an organism that is living with the parasite. A- Removal of the parasite. D 500
What does this illustration show? A- parasites and hosts B- competition C- succession E 100
What does this illustration show? C- succession E 100
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
What might be a reason an animal becomes extinct? A- Its habitat has been destroyed. E 200
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