What shared evolutionary feature is mentioned regarding the Order Perciformes?
Answer
Fused vertebrae in the caudal (tail) region
The Order Perciformes, which is known as the most populous order of bony fishes, groups species that share certain foundational skeletal and muscular characteristics due to their shared ancestry. A specific skeletal feature noted for many members of this order, including the yellowtail snapper's grouping, is the presence of fused vertebrae located in the caudal, or tail, region. This specific characteristic is one indicator of the shared evolutionary history that has resulted in body forms adapted for active predation.
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