Nucleic acids store hereditary information. Think about DNA! DNA stands for dioxiriboNUCLEIC ACID. Your DNA determines everything about you’
The existence of being able to process photosynthesis.
Photosynthesis is a functional and adaptive mechanism which enables plants to make and create their own food with the use of sunlight. Also, water and carbon dioxide, oxygen is then the by product of this process which is beneficial to other organisms especially heterotrophs.
It is an advantage because they approach their environments from all sides equally.
Rocks? not quite sure about this one but good luck and hope this helps! :)