Which one of the following examples matches its ecosystem service?
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Answer choices
Human provision is found in willow bark, a source of salicylic acid, which was a precursor to aspirin.
A cultural benefit of the Grand Canyon National Park is that it is home to the California condor, an endangered species.
Ecosystem regulation occurs when people fish and camp at Lake Tahoe.
A cultural benefit of the Adirondack Mountains is the vast forests that provide lumber for log homes.