Yes, Granite forms crystals
A food is something that provides nutrients. Nutrients are substances that provide: energy for activity, growth, and all functions of the body such as breathing, digesting food, and keeping warm; materials for the growth and repair of the body, and for keeping the immune system healthy. (So we don’t die:))
Atom, molecule, cell, tissue, organ, and organ system
In a turbite bed sediments is deposited chronologically.
No, because there is only so much food for them to eat.
The same applies for all levels of the food chain.