Nucleotides. They are the building blocks of DNA.
Answer:
Natural selection can be described as a phenomenon in which individuals of a population which are better adapted to survive in an environment are favored by nature as compared to the individuals of the population which lack better characteristics to survive in the environment.
Through natural selection, evolution occurs and the allelic frequency changes over a period of time. The process of evolution as well as change in the allelic frequencies does not occur just by a single individual, rather it is a collective effort which takes a lot of time. Hence, we say that natural selection changes the population and not a single individual.
Explanation:
A ) Fossil fuels provide cheaper energy
MARK AS BRAINLIST IF IT IS USEFUL .
Discover how strong winds high above the earth called "jet streams" are responsible for steering all weather to and away from us.
