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August 2, 2015

Homework Help: Science (Biology)

Posted by Wande on Sunday, April 25, 2010 at 6:49pm.

1) In using cladistical analysis to assemble a hypothetical tree of a group of species, there are several things that must first be known. Of the items listed below, which one states an item that is not essential in order to use cladistics?
A) Have found an outgroup that has the least derived state of the characteristics being compared.
B)Select Have identified homologous characteristics amongst the species being compared.
C) The avoidance of the use of any characteristics that are known to be analogous.
D) The use of as many unique traits as possible.
E) Have identified homologous characteristics amongst the species being compared.

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