Answer:
the element oxygen , represented by the symbol o, is classified as a pure substance
The correct answer is A) Chlorophyll absorbs sunlight energy for photosynthesis.
The correct option is D.
Sexual form of reproduction leads to increased genetic diversity as a result of the two different reproductive cells that are coming together and the biological assortment that occur during the process of cell division. Increased genetic diversity enhance variations among living organisms and increased their potentials to survive in their environments.