The profusion of skin colors and physical characteristics of different humans is due to .
a. the development of pure races
b. the differences in climate and other living conditions humans encountered as they populated the globe
c. biology rather than evolution
d. the emergence of dominant groups in the last three centuries

Select the best answer for the question, ly 12. which of the following behaviors is not an inherited behavior?

Which statement about dna replication is true? a. eukaryotes only have one circular chromosome that unwinds at multiple locations. b. eukaryotes can only replicate one segment of a chromosome at a time. c. prokaryotes can only replicate their single circular chromosome in the nucleus. d. prokaryotes only have one origin of replication to initiate replication.

How many years would it take the atlantic ocean to grow 500 centimeters? show your work.