Speciation is the process by which new species form. It occurs when groups in a species become reproductively isolated and diverge. In allopatric speciation, groups from an ancestral population evolve into separate species due to a period of geographical separation.
<em>The two main process by which plant cells absorb, release, and use energy are Photosynthesis and respiration.</em>
RrTt ....means brown leaves and tall stems !
so answer is D !
The answer is B. feelings of hunger