Tiktaalik
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PALEONTOLOGY
Evolutionary Biology
Tiktaalik
Tiktaalik's wrist bones reveal the first evolutionary experiments in walking on land
14 days ago
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What key anatomical feature of Tiktaalik indicates its role as a transitional form between fish and tetrapods?
Fins with wrist-like bones allowing support on land
Fully developed legs with toes for walking on land
Gills adapted exclusively for deep-water breathing
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