Question

What role organisms play in:
Carbon cycle and Nitrogen cycle​ ?​

Answer 1

Answer:

Micrororganisms (such as fungi and bacteria) return carbon to the environment when they decompose dead plants and animals. ... Burning fossil fuels increases carbon dioxide in air and deforestation decrease uptake of carbon dioxide by plants .

Answer 2

Answer:

carbon cycle

Organisms play an important role in the carbon cycle in the following ways: ... Animals obtain their carbon by eating plants; they release carbon in respiration. Micrororganisms (such as fungi and bacteria) return carbon to the environment when they decompose dead plants and animals.

nitrogen cycle

Prokaryotes play several roles in the nitrogen cycle. Nitrogen-fixing bacteria in the soil and within the root nodules of some plants convert nitrogen gas in the atmosphere to ammonia. Nitrifying bacteria convert ammonia to nitrites or nitrates. ... Denitrifying bacteria converts nitrates back to nitrogen gas.