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

Evidence of early bipedalism

Tags
Description
A Ardipithecus ramidus. The painting (right) is based on a 4.4 million-year-old Ethiopean fossil known as Ardi (left). A. ramidus may have walked upright on the ground but also climbed on all fours along branches.
C Australopithecus afarensis. This individual, known as Lucy, lived 3.5 million years ago. She belonged to a species of early australopiths that may be ancestral to humans.
Related Images
Add Comment
Explore
Post your homework questions and get free online help from our incredible volunteers
  1230 People Browsing
Your Opinion
What percentage of nature vs. nurture dictates human intelligence?
Votes: 431