The Toumai fossil, or Sahelanthropus tchadensis, is unique because __________.
a. its features suggest it may actually be the earliest member of Homo
b. it had ape-like facial features but cranial characteristics suggesting bipedalism
c. it provides the earliest evidence of stone tool use
d. it is the oldest hominin fossil ancient DNA as been extracted from
Question 2
Why has the Great Rift Valley of Africa been so important to paleoanthropologist s?
a. The desert environment has made it easy to find fossils.
b. Volcanic activity has helped to date the fossils found there.
c. The numerous caves there have helped preserve ancient hominin remains.
d. Fossils there contain more ancient DNA than those found in other areas.
Fossil and modern stromatolites: evidence of autotrophic cyanobacteria.
Three of the color variants found at Fossil Rim Wildlife Center in Texas
Proposed relationships between living and fossil platyrrhines and catarrhines.
Gary Alvis, The Painted Hills, John Day Fossil Beds National Monument, Oregon.
Emissions from fossil fuel burning
Cast of a Fossil Dunkleosteus, with a human to illustrate scale