Traditional animal phylogenetic trees and the most recent molecular phylogenetic trees have many similarities. Which is a feature of the recent trees that was not present in the traditional phylogeny?

A) the placement of Echinodermata and Chordata together in a clade of deuterostomes
B) the status of sponges as the first group to diverge from the other animals
C) the grouping of nematodes and arthropods into a clade called the Ecdysozoa
D) the grouping of all bilaterally symmetric animals within a single clade


Answer: C

Biology & Microbiology

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