I would think A I’m not sure
The correct answer is C. Translation.
The given figure is the scheme of the gene expression. It provides the flow of genetic information from a DNA sequence to a protein synthesis inside cells. This process of flow of genetic information from DNA to RNA is called transcription and the process of flow of genetic information from RNA to protein is called translation.
Thus in given figure label A is to be replaced by transcription and label B is to replace by translation.
C.The unique role the species plays in an ecosystem .
People in everyday language use theory as a guess and estimation
Scientists use scientific method and do all sorts of experiments to prove their theory