Answer:
The extermination of the prairie dog pest.
Explanation:
This is the best example of the needs of an ecosystem being at odds with the needs of humans. In this example, the prairie dog is eliminated because it is considered a "pest." I causes problems for farmers and is therefore bad for agriculture. However, the extermination of the prairie dog poses a risk to the environment, as it eliminates a species from the ecosystem and therefore threatens its balance.
