Some examples could be Giraffes with long necks and the darkening of London's peppered moths after the industrial revolution. Direct selection is the shift of the population of one species towards a certain phenotype. -reference.com
One of the negative impacts of eutrophication and increased algal growth is a Loss of oxygen known as anoxia
The answer is false.
an available phosphate group would be found at the 5' end of the nucleotide labeled A. The 5′-end of a DNA contains a phosphate group that is attached to the 5′ carbon of the ribose ring and that A phosphate group permits ligation of two nucleotides ( phosphodiester bond).
Answer:
meteorite striking the dinosaures