Explanation

Explanation

• Oxygen is a byproduct of photosynthesis.
• It not a factor that affects the process.

Explanation

• Plants store the glucose produced during photosynthesis in the form of starch.
• A complex carbohydrate made up of many glucose molecules.
• Starch is stored in the plants roots, stems, leaves, and seeds, and serves as a energy reserve for the plant.

Explanation

The correct sequence represents the increasing levels of organization in living organisms:

• Organelle (components within a cell)
• Cell (the basic structural and functional unit)
• Tissue (a group of similar cells performing a specific function)
• Organ (a structure composed of two or more types of tissue that work together to perform specific functions)

Explanation

• Oxygen (O2) is the gas used to extract energy from food during cellular respiration.
• It releasing carbon dioxide and water as byproducts.