To a Cladist,the Statement That Birds (A Monophyletic Group)evolved from Reptiles

question 24

Multiple Choice

To a cladist,the statement that birds (a monophyletic group) evolved from reptiles (a paraphyletic group) constitutes which of the following?

• A)a meaningful statement of the evolutionary advancement of the birds over the reptiles
• B)a meaningful statement that birds represent a different,but not necessarily more advanced adaptive zone than reptiles
• C)a trivial statement that birds evolved from something that they are not
• D)an incorrect statement because ancestral groups must be extinct but reptiles are still alive

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