Top Posters
Since Sunday
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
r
4
SlideshowReport

Interior nodes represent common ancestors

Description
Finding the common ancestor for a group involves tracing backward in time. Follow the dashed lines to see the common ancestors of different groups in this phylogeny.
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  1373 People Browsing
 104 Signed Up Today
Your Opinion
What's your favorite funny biology word?
Votes: 328