The author of Source 3 counters the argument regarding giant pandas by stating that they're beneficial to the ecosystem.
It should be noted that an argument simply means the stance of an individual regarding an issue.
In this case, the author of Source 3 most clearly counter the argument in Source 1 that protecting giant pandas isn't appropriate by stating that they play an important role in the ecosystem.
Learn more about arguments on:
https://brainly.com/question/3775579
