Explain why physical appearance or morphology is not always useful for identifying organisms belonging to the same species

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

In the practice of science, this type of reasoning is used to develop explanations.

What is the one part of the nucleotide  that differs among the other different nucle  tides?