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Wolves in Yellowstone

Last updated over 5 years ago

3 questions

Note from the author:

Environmental science assignment on keystone species and trophic cascade.

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Question 1

1.

Define trophic cascade

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Question 3

3.

What effect would the removal of a keystone species have on an ecological community?
Write a short essay that explains this effect in terms of trophic cascade. Use the keystone species researched above as a specific example that illustrates this process.

Question 2

2.

Research to find another example of an ecosystem being impacted by the removal of a keystone species. In a drawing, show how the removal impacts other species. A sample drawing can be seen below.