The correct answer is macromolecules are very large hydrocarbons constituted, what makes up macromolecules is hydrogen, oxygen, nitrogen and sometimes sulfur, I hope this is correct and helps you.
E.Coli belongs to the eubacteria kingdom. E. Coli also belongs to the bacteria domain, the proteobacteria, and the coli species.
Photosynthesis is the answer
Natural selection<span> is one of the basic mechanisms of evolution, along with mutation, migration, and genetic drift. </span>Results of these processes is the survival and reproduction of organisms which is best suited for their current environment. Hope this answers the question.
