Canada’s definition of an urban area is a place with at least people per square kilometer.
a.
200
b.
400
c.
800
d.
1,000

Which are forms of nitrogen that are usable by humans

Which nucleotide component contains nitrogen

Which of the following factors would not contribute to allopatric speciation? a) a population becomes geographically isolated from the parent population.b) the separated population is small, and genetic drift occurs.c) the isolated population is exposed to different selection pressures than the ancestral population.d) different mutations begin to distinguish the gene pools of the separated populations.e) gene flow between the two populations is extensive.