A scarcity intepretation of the origin and evolution of stratification holds that it
a. emerges when labor becomes scarce
b. promotes the efficient functioning of society
c. results when greater population pressure leads to increasingly private forms of landownership
d. none of these
e. all of these
Question 2
Lenski's surplus theory of stratification holds that the nature and extent of stratification depends mainly on
a. a society's technological capacity and the size of its economic surplus
b. human greed
c. a society's religious and political institutions
d. the values that people hold about the desirability of stratification
Convergent evolution for coloration
Origin of T cells, B cells, RBCs, WBCs, and platelets.
Evolution from Supergiants to White Dwarfs
Similar genes, conserved during evolution
Developmental origin of different classes of fruits.
evolution tree