The biological levels of organization of living things arranged from the simplest to most complex are: organelle, cells, tissues, organs, organ systems, organisms, populations, communities, ecosystem, and biosphere.
Answer:
Explanation:
Glucose is the thing needed to start the kreb cycle. A glucose molocule if produced after a plant finishes photosynthesis. Glucose is used to power the kreb cycle and helps the plant be able to produce a half of oxygen.
