Question

What is the role of chemoautotrophs in the ecosystem?

Answer 1

Answer:

Chaemoautotrophs

Key Characteristics

Bacteria able to obtain their energy chemicals; most extract chemical energy from reduced gases such as hydrogen sulphide, ammonia, and methane; play a key role in the nitrogen cycle (nitrogen fixation).

Typical examples

• Sulphur bacteria
• Nitrobacter
• Nitrosomonas
• Rhizobium

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