Answer:
The flow of individuals in and out of a population introduces new alleles and increases genetic variation within that population. Mutations are changes to an organism's DNA that create diversity within a population by introducing new alleles.
Explanation:
The branch of biology that deals with the relations of organisms to one another and to their physical surroundings.
The term that refers to all areas of Earth where all life exists is call the Biosphere
Answer:
Cold air is denser than warm air, it will sink below warmer air, pushing warm air upward.
Explanation:
<span>microorganisms of different grous are not uniformly susceptible to chemical disinfection due to the level of resistance of the BACTERIA</span>
