Question

A) Species 1 and 2 share a common ancestor A. Species 3 and 4 share a common ancestor B. Ancestors A and B share a common ancestor C. A taxonomic group includes ancestors B and C and species 3 and 4. This group is: a. a stem group, b. polyphyletic, c. paraphyletic, d. monophyletic, e. all of the above. B) Referring to question A, a taxonomic group includes ancestors A, B, and C and species 1, 2, and 3. This group is: a. a stem group, b. polyphyletic, c. paraphyletic, d. monophyletic, e. all of the above. C) Referring to question A, a taxonomic group includes ancestors A and B and species 1, 2, 3, and 4. This group is: a. a stem group, b. polyphyletic, c. paraphyletic, d. monophyletic, e. all of the above.

          A) Species 1 and 2 share a common ancestor A. Species 3 and 4
share a common ancestor B. Ancestors A and B share a common
ancestor C. A taxonomic group includes ancestors B and C and
species 3 and 4. This group is:
a. a stem group,
b. polyphyletic,
c. paraphyletic,
d. monophyletic,
e. all of the above.
B) Referring to question A, a taxonomic group includes
ancestors A, B, and C and species 1, 2, and 3.  This group
is:
a.
a stem group,
b.
polyphyletic,
c.
paraphyletic,
d.
monophyletic,
e.
all of the above.
C) Referring to question A, a taxonomic group includes ancestors
A and B and species 1, 2, 3, and 4.  This group is:
a.
a stem group,
b.
polyphyletic,
c.
paraphyletic,
d.
monophyletic,
e.
all of the above.

Added by Tara L.

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