Photosynthesis

3. - a substance that takes part in and undergoes change during a reaction.
5. - A chemical process that occurs in plants, algae, and some types of bacteria, when they are exposed to sunlight.
7. - In biochemistry, reactions that need oxygen to happen or happen when oxygen is present.
8. reactions- a biological process where one reaction's energy is used to drive another reaction
9. - a plant cell organelle responsible for photosynthesis
10. - an organism that is able to form nutritional organic substances from simple inorganic substances such as carbon dioxide.
12. - the substance(s) formed as a result of a chemical reaction, appearing on the right-hand side of a chemical equation.

1. - A heterotroph is an organism that eats other plants or animals for energy and nutrients
2. - the source of energy for use and storage at the cellular level.
4. - membrane-bound organelles, often called the "powerhouses" of the cell, found in almost all eukaryotic cells
6. respiration- Cellular respiration is the process by which cells break down glucose (a type of sugar) in the presence of oxygen, releasing energy that the cell can use to function.
10. - relating to, involving, or requiring an absence of free oxygen.
11. - a simple sugar which is an important energy source in living organisms and is a component of many carbohydrates.