A = acoelomate, P = pseudocoelomate, C = eucoelomate For the three major clads of bilaterians, what can be inferred about whether the common ancestor of the clade had a true coelom? ________________ On the evolutionary tree above, which organisms are characterized by having jointed appendages?_________ Instructions: Read this passage and write “yes” or “no” in each box for whether each group has the characteristic or not. Construct a phylogenetic tree for mammals. Don’t forget to add shared characteristics (synapomorphies) to your tree.