Which of the following, if true, would weaken the hypothesis advanced by Gnoske and Peterhans most?
Explanation:
Gnoske and Peterhans hypothesis is that Tsavo lions may be similar to unmanned cave lions of the Pleistocene. Option 2 strengths this and hence can be eliminated. Tsavo lions are known to be ferocious. Option 1 may weaken the statement slightly but both option 1 and 4 are not strong arguments. Craig’s and Peyton’s doubts have not been proved and the morphological variations if insignificant contribute to the similarities between the two. If the Pleistocene lions were less ferocious (option 3), then that weakens the comparison between the two. Hence, the correct answer is option 3.
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