Question
a.
By cutting off the unnecessary variables, model development may become difficult, and there may be more chances of introducing inconsistencies, ambiguities, and redundancies, hence, the name Occam’s razor
b.
In dealing with problems that may have an infinite number of possible solutions, choosing the simplest model may help to ‘cut off’ those variables that are not really necessary to explain the phenomenon
c.
This method chooses a tree that has the fewest evolutionary changes or shortest overall branch lengths
d.
It is based on a principle related to a medieval philosophy called Occam’s razor
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