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1. According to the diagram, what do you notice about the wolf population?

2. Compare the wolf and the elk population numbers. What do you notice about the elk population as the wolf population increases? Give an explanation for the change in elk population numbers.

3. What do you notice about the aspen, cottonwood, and willow tree populations in relation to the elk and wolf populations? Give an explanation for the change in population numbers for these trees.

1 According To The Diagram What Do You Notice About The Wolf Population 2 Compare The Wolf And The Elk Population Numbers What Do You Notice About The Elk Popul class=

Sagot :

Answer:

Explanation:

At least 136 wolves were killed in the park between 1914 and 1926. By the 1940’s wolf packs were

seldom reported in the park. In fact, by the mid-1900’s wolves had been nearly eliminated not just from

Yellowstone but from the lower 48 states entirely.

Reintroduction was not without controversy as there were, and still are, many stakeholders involved in the

Yellowstone area, each with unique concerns. However, in the twenty years since the reintroduction of the

wolves, scientists have noticed many positive changes to the park ecosystem. This set of activities seeks to

introduce students to the trophic cascade that has occurred in the park and the positive changes in the

ecosystem since the reintroduction of a top predator – the wolf.

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