Please answer the questions about this paragraph. ?

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when zebras graze in a particular area, that area seems to become an especially rich food source for wildebeests. The same area, after the wildebeests have grazed there, seem to become an ideal food source for Thomson's gazelles. To test this apparent pattern, an ecologist performed an experiment. he fenced off areas of grass to prevent the wildebeests from grazing mostly in areas where wildebeests had previously grazed and avoided areas in which the wildebeests had not grazed.

Question 1
Predict what would happen to the wildebeests if the zebras disappeared?

Question 2
Predict what would happen to Thomson's gazelles if the zebras disappeared?

Thank you.
 
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