For the first lab, we will use morphological characters for \"tree-thinking. \"

Question

For the first lab, we will use morphological characters for "tree-thinking. " To begin, examine the distribution of morphological characters among different mammal subgroups; the lizard (a reptile) is a suitable outgroup for mammals. Figure 20 illustrates the most parsimonious tree for these taxa. Use the character matrix and the tree to answer questions 20 to 23. Which character states are uniquely shared for the Kangaroo and the Tasmanian wolf? How many times has the wolf-like morphology evolved, according to your tree? What is the evidence that the wolf-like morphology is homoplasious according to your cladogram?

Explanation / Answer

20)pouch character are uniquely shared for kangroo and tasmania wolf.

21)2 times

23)thylacine pouch and a placental woif

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