During photosynthesis, the plants that the fish eat use ___ to produce ___. Plants ___ in order to perform photosynthesis. ___ cycle(s) carbon through Earth's spheres. Energy is constantly needed to cycle materials, and ultimately, all this energy comes from ___.

1. glucose and oxygen or water and carbon dioxide
2. glucose and oxygen or water and carbon dioxide
3. capture sunlight or block sunlight
4. Both photosynthesis and cellular respiration or photosynthesis or cellular respiration
5. food or the sun