Fig. 4From: Using Inquiry and Tree-Thinking to “March Through the Animal Phyla”: Teaching Introductory Comparative Biology in an Evolutionary ContextFifteen possible phylogenetic trees for rat, rabbit, dog, and cat, rooted with opossum as the outgroup. Student teams are given two arbitrarily chosen trees and asked to use data to decide which of the two trees is a better hypothesisBack to article page