I need help with this bio packet

2. active transport & photosynthesis 3. heterotrophs: obtains energy/food from organic substances autotrophs: energy from light 4. the bread, lettuce, tomatoes, and onions come from plants. the food molecules in those plants were made as a result of photosynthesis, using energy from sunlight. hamburger meat come from cow which ate grass and plants as a source of food. the cow made the molecules in the beat by using the energy in the food molecules of the plants. part III 3. thylakoids 4. stroma 5. raises