An ecosystem<span> is a complete community of living organisms and the nonliving materials of their surroundings. Thus, its components include plants, animals, and microorganisms; soil, rocks, and minerals; as well as surrounding water sources and the local atmosphere. The size of </span>ecosystems<span> varies tremendously
hope it helps
</span>
Reproducibility is important because it is the only thing that an investigator can guarantee about a study.
Answer:
Oxygen is required for photosynthesis to take place.
Explanation:
Plants need light, chlorophyll, water and carbon dioxide. It needs light to produce the energy it needs to grow.
I am not that good, but maybe the digestive system
Answer:
Because virus are just sticking into the human
cell membranes