Author Question: The significance of finding chopper and flakes tools dated to around 900,000 years ago on the east ... (Read 58 times)

robinn137

  • Hero Member
  • *****
  • Posts: 544
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



ricroger

  • Sr. Member
  • ****
  • Posts: 352
Answer to Question 1

B

Answer to Question 2

E



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

By definition, when a medication is administered intravenously, its bioavailability is 100%.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

Cyanide works by making the human body unable to use oxygen.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.

For a complete list of videos, visit our video library