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
Upper Paleolithic stone tools include blade-based tools as seen here being produced from a blade cor
The 2012 U.S. presidential campaign rang with “get tough” cries to end Iran’s nuclear capacity and c
In 2008, the U.S. economy suffered a gaping wound as several trillion dollars were ripped out of it.
Top Prescriptions for Children Under 17 Years of Age (2002–2010)
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Finding the derivative using the power rule - Solutions