C bc it deals with both of those systems
Answer: Photosynthesis converts carbon dioxide and water into oxygen and glucose. Glucose is used as food by the plant and oxygen is a by-product. Cellular respiration converts oxygen and glucose into water and carbon dioxide. Water and carbon dioxide are by- products and ATP is energy that is transformed from the process. Hope this helps :)
Explanation:
The correct answer is c Cytoskeleton
Cyto means cell and skeleton is self explanatory, therefore, cytoskeleton provides shape of the cell, like normal human skeleton provides shape for us by carrying muscles.
The answer is B I believe