Unicellular prokaryotes are called bacteria.
DNA provides the information for cell growth and function.
Answer:
the Sympatric speciation is the evolution of a new species from a surviving ancestral species while both continue to inhabit the same geographic region
The answer should be all of the above, if it is not then the answer is A dichotomous key can help classify an unknown organism.
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The thickest layer is the inner core.