Two atoms are isotopes of the same element. Which of the following should be different for these two atoms?
A. The behavior in a chemical reaction
B. The number of neutrons
C. The type of element
D. The number of protons

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.

As scientist had investigated evolution from a variety fields they have found

How to farmers could ensure that they only grow white flowers