Question

Which of the following represents an agreement between phylogenetic trees estimated from morphological data versus DNA sequence? a. a fundamental split ocurred during the evolution of protostomes, creating the ecdysozoa and the lophotrochozoa b. bilateral symmetry evolved once, in conjunction with the evolution of mesoderm c Segmentation evolved twice, independently, during the evolution of protostomes d. psuedocoeloms evolved twice, independently, during the evolution of protostomes

Answer 1