The Following Questions Refer to the Hypothetical Patterns of Taxonomic

question 19

Multiple Choice

The following questions refer to the hypothetical patterns of taxonomic hierarchy shown in Figure 26.2.


-The four-chambered hearts of birds and the four-chambered hearts of mammals evolved independently of each other. If one were unaware of this independence, then one might logically conclude that

• A)the birds were the first to evolve a 4-chambered heart.
• B)birds and mammals are more distantly related than is actually the case.
• C)early mammals possessed feathers.
• D)the common ancestor of birds and mammals had a four-chambered heart.
• E)birds and mammals should be placed in the same family.

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