He Ingroup And The Outgroup In Classification What Is The Difference In The Mean

What is the relationship between the ingroup and the outgroup in classification?

What is the difference in the meaning between the lengths of lines in a phylogram and ultrametric tree?

Look up the term parsimony in the dictionary and write its definition here:

How is this applied to understanding evolution – what is the principle of maximum parsimony and the principle of maximum likelihood?

What is the difference between orthologous genes and paralogous genes?

What is the concept of a molecular clock and how is it useful?