Carbon is the only possible solution in this question for the reason that the chemical formula for glucose is c6h12o6 (6, 12 and 6 underscore) and carbon dioxide is co2. Both of the chemical formula contains carbon that is why that is the main element.
Answer:
4. mutualism - both benefit
5. Commensalism- one benefits while the other is not affected
"Mutualism is a symbiotic relationship in which both species benefit. Commensalism is a symbiotic relationship in which one species benefited while the other species is not affected."
the process goes like this.
1.cells
2.tissues
3.organs
4.organ systems
5.organisms
tissues are grouped to form organs.
I hope this helps.
The main functions of the cell wall are to provide structure, support, and protection for the cell.
