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#4
Aaron, Allie, Ella, Sawyer
We have seen positive changes since the wolves have been introduced.

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#4
Aaron, Allie, Ella, Sawyer
We have seen positive changes since the wolves have been introduced.

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The changes that have happened is a decrease in elk and all the other animals feed on the elk. Willow trees have increased in population so birds have habitats.

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Our first word is species second word is decreased third is increase. Theses words helped us understand the article better because it helped us understand what was happening to the wolves.

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Keystone Species means a species that is largely depended on. An example would be the Gray Wolf.

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Removing wolves impacted the ecosystem because overtime the elk population grew and there were not as many natural predators to eat them and it got to the point no plants could grow without being eaten and then there was not eough food for the elk and they would start dieing.

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Other species were impacted by the gray wolves because all the populations changed, some species went up and some species went down.  for example the elk population went up because they were no longer being hunted

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This article explains domino effects in ecosystems. Taking one organism out of an ecosystem will create a domino effect. That one organism gone will cause it's prey to grow. Then the organisms that the prey eats will go down, and so on.

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number 2
Endangered means that it has a low number of population, while extinct means that the population number is zero. With wolves extinct here, it brings up the number of prey, which brings down other prey and plant population.

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number 2
Endangered means that it has a low number of population, while extinct means that the population number is zero. With wolves extinct here, it brings up the number of prey, which brings down other prey and plant population.

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by Camden, Josh, and Isaac

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#1 
Share 3 vocabulary words that you better understand because of this article, and describe their meaning/give examples of how to use them. 

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#1 
Share 3 vocabulary words that you better understand because of this article, and describe their meaning/give examples of how to use them. 

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#2 Define endangered and extinct. Describe how it relates to this article. 

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#2 Define endangered and extinct. Describe how it relates to this article. 

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#3 How does this article relate to our unit? What did it help you to better understand?

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#3 How does this article relate to our unit? What did it help you to better understand?

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#4 Have we seen any positive changes since the wolves have been introduced?

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#4 Have we seen any positive changes since the wolves have been introduced?

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#5 How did removing the wolves indirectly impact the ecosystem. In other words, what were the secondary or surprising effects?

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#5 How did removing the wolves indirectly impact the ecosystem. In other words, what were the secondary or surprising effects?

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#6 How did removing wolves directly impact the Yellowstone ecosystem?

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#6 How did removing wolves directly impact the Yellowstone ecosystem?

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#7 Define and describe the term keystone species.

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#7 Define and describe the term keystone species.