Answer:
C
Explanation:
They are to decompose organic compounds into reusable organic compounds
If there weren't any primary consumers then the populations of producers would increase
Answer:
They connect through a cycle
Explanation:
Both plants and animals can be a food source for animals. Plants also create an environment so that animals can live with less complications
Answer:
They go hand in hand as a cycle.
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 that glucose and oxygen into water and carbon dioxide, which then go through photosynthesis again.