The Experiments of Kenward and Colleagues with New Caledonian Crows

question 25

Multiple Choice

The experiments of Kenward and colleagues with New Caledonian crows showed that

• A) crows that have not been exposed to other toolmaking birds are unable to make tools.
• B) all groups of crows living on the island use the same set of tools.
• C) the ability of crows to manufacture tools is at least partially inherited.
• D) captive crows are unable to make tools.

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