American beavers, Castor canadensis, are widespread in North America. Those American beavers living around lakes in northern Minnesota and that can potentially interbreed
A) are probably another beaver species.
B) represent one population of American beavers.
C) likely look much different than beavers in Wisconsin.
D) belong to the same family but not the same genus as other beavers.
Question 2
Over the next 20 to 30 years it is very likely that
A) global oil supplies will decline and the OPEC nations will gain importance.
B) global oil supplies will decline and the OPEC nations will lose importance.
C) global oil supplies will increase and the OPEC nations will gain importance.
D) global oil supplies will increase and the OPEC nations will lose importance.
Dissimilar organisms with similar approaches to desert living.
Winter distribution of the American crow, Corvus brachyrynchos.
American Staffordshire Terrier
Map of Mars from Hubble Space Telescope as seen near the 1999 opposition. (North top)
Location of lysosomes and mitochondria in a cultured living bovine pulmonary art
A Japanese American child in California tagged for relocation to an internment camp.