... r . The two-allele case is the binomial expansion
of ( p + q ) 2 , and thus the three-allele ... two alleles. The diploid case is the binomial expansion
( p + q ) 2
and therefore the polyploid case is the binomial expansion
( p + q ) c
where c is the ...
... exist in an ecological balance. Just as an expansion
of a sheep population might encourage the expansion
of a wolf population, an expansion
of altruistic traits within a gene pool may also ...
... Human evolution is characterized by a number of important trends :
of the brain cavity and brain itself, which is typically 1,400 cm³ ... of the structure of the brain is more important than cranial expansion
canine tooth reduction;
bipedal locomotion ;
... achieved widespread use among biologists, environmentalists, political leaders, and concerned citizens world-wide. This use has coincided with the expansion
of concern over extinction observed in the last decades of the 20th century.
1 Biodiversity ...
... far beyond contributing so-called scientific names to many of the world's plants and animals. Linnaeus developed, during the great 18th century expansion
of natural history knowledge, what became known as the Linnaean taxonomy : the system of scientific classification now widely used in the ...
... In addition to the aforementioned processes, since Columbus the world has been characterized by migration on a major scale, including colonial expansion
and forced migration through slavery . The result is that many societies are culturally heterogeneous. Some anthropologists have argued that ...