Studying how drought affects the food supply in a region of the Alaskan tundra would be studying a question at the Level of Ecological Organization.

biosphere

population

community

ecosystem

They both have rock surfaces

The answer is c i think

Many archeologists and anthropologists disagree with dr. thorne's view.  thorne strongly believes that what many calls "homo erectus"  was in fact  homo sapiens,  and that they migrated out of africa almost 2 million years ago and dispersed throughout europe and asia. that's way different  from what scientists have always believed about the evolution of the species.

Ithink the answer is b
not sure