Bacteria
Explanation:
Bacteria are the organisms that captures atmospheric nitrogen for the process of nitrogen fixation.
Bacteria are usually found in the root nodes of plants and soils. They establish a symbiotic relationship with plants where they fix nitrogen essential for the plant in turn gain some advantage like nutrition and protection from the plant.
- Bacterial like azotobacter are very important in the nitrogen cycle.
- The help to draw up nitrogen from the atmosphere for use by plants.
learn more:
Biogeochemical cycling of elements brainly.com/question/3509510
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Excretion I believe let me know if i was wrong.
:)
Answer:
They help shore up bones and heal wounds
Chemotherapy and/or stem cell transplant
