Answer:
D
Explanation:
This is because the atmosphere is refreshable and makes breathing so conducive.
Due to the definition of the central dogma, another way of putting it is that the central dogma follows the flow of information from DNA to protein.
Allopatric<span> speciation occurs when new species arise as a result of geographic isolation from the ancestral species. It involves an extrinsic barrier to gene exchange and can occur by a number of means including subdivision or peripheral division.</span>
A heterogeneous mixture is made of different materials that can easily be separated.
