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.
Unique markings identify individual humpback whales.
Diagram of a typical fossil-fueled power plant
Cruziana, fossil trilobite furrowing trace
Global consumption of fossil fuel
Generation of various modified dihybrid ratios from the nine unique genotypes