Your Professor Wants You to Construct a Phylogenetic Tree of a Type

question 46

Multiple Choice

Your professor wants you to construct a phylogenetic tree of a type of plant called orchids. She gives you tissue from seven orchid species and one lily plant. What is the most likely reason she gave you the lily?

• A) to serve as an outgroup
• B) to see if the lily is an ancient orchid species
• C) to see if the lily and the orchids show all the same shared derived characters
• D) to demonstrate likely genetic similarities

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Shares that were issued and later reacquired by the issuing company, reducing the amount of outstanding stock on the open market.

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