You have returned to college to become a phylogeneticist. One of the first things you wish to do is determine
how mammals, birds, and reptiles are related.
Like any good scientist, you need to consider all available data objectively and without a preconceived “correct”
answer. In pursuit of that, you should produce a phylogenetic tree based only on morphological features that
show birds and mammals are more closely related. You will then produce a totally different tree, also using
morphological features, that shows birds and reptiles are more closely related. Do not forget to include all three
groups in both your trees.
Based solely off the trees you produce, which relationship would you consider the more likely and why? Once
you have answered that question, provide a brief summary of the “modern” understanding of the relationship
between these three groups
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