The significance of finding chopper and flakes tools dated to around 900,000 years ago on the east Indonesian Island of Flores is that
A) there must have been modern people in Indonesia earlier than previously thought
B) Homo erectus must have been able to build some type of watercraft
C) the dating technique used to date the site is unreliable
D) Homo erectus populations were adventurous
E) there must have been a land bridge that does not exist today
Question 2
Stabilizing natural selection
A) preserves current gene frequencies and phenotypic norms
B) contributes to periods of evolutionary stasis in species
C) operates during periods of environmental stability
D) is not a permanent condition for species
E) all of the above
Results from sequential study of two cohorts tested at three ages and at three different points in t
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
The Middle East and Operation Desert Storm
Examples of manual exfoliation tools: loofah, brushes, ayate cloth, and sisal mitt.
Finding the graph of a Parabola using certain values
Cyanobacteria from 850 million years ago (Photo 2)