Problem:

Question 1: What is the assumption used when arranging species on a phylogenetic tree?

a) Polyploid species were directly related to similar species.

b) Species were able to evolve independently on different continents.

c) Organisms with the most traits in common are the most closely related.

d) When a species was formed can determine the species to which it is most closely related.

Question 2: Speciation is a form of...

a) microevolution.

b) macroevolution.

c) artificial selection.

d) natural selection.

Provide the correct answer and justification for your choice.