B, because as energy is move up form the phyramid, energy is lost.
Answer:
An example of macroevolution is the evolution of a new species. One mechanism that drives evolution is natural selection, which is a process that increases the frequency of advantageous alleles in a population. Natural selection results in organisms that are more likely to survive and reproduce.
Answer: DNA contains alternating sugar-phosphate molecules whereas RNA does not contain sugars
Explanation: