Your Professor Wants You to Construct a Phylogenetic Tree of Orchids.She

question 16

Multiple Choice

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

• A)to serve as an out-group
• B)to see if it's a cryptic orchid species
• C)to see if the lily and the orchids show all the same shared derived characters (synapomorphies)
• D)to see if you were paying attention

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Definitions:

Sexual Orientation

The direction of one’s sexual interest—toward members of the opposite sex (heterosexuality), toward one’s own sex (homosexuality), or toward both sexes (bisexuality).

Multidimensional Approach

An analytical strategy that considers multiple factors and perspectives to understand a phenomenon or solve a problem.

Sandra Bem

A psychologist known for her work on gender roles and for developing the gender schema theory.

Bisexual

Pertaining to a sexual orientation in which an individual is attracted to both male and female genders.