Answer:
Plants are autotrophs, which means they produce their own food. They use the process of photosynthesis to transform water, sunlight, and carbon dioxide into oxygen, and simple sugars that the plant uses as fuel. These primary producers form the base of an ecosystem and fuel the next trophic levels.
Hope that helps. x
A. Every biome that has living things.
Answer:
Oxygen.
Explanation:
Aerobic respiration occurs in the presence of oxygen.
