6 Questions
What is the role of bacteria in the nutrient cycle?
Recycling nutrients and fixing nitrogen from the atmosphere
Where can bacteria be found?
Soil, water, acidic hot springs, and the deep biosphere of Earth's crust
What are extremophile bacteria known for in hydrothermal vents and cold seeps?
Providing nutrients needed to sustain life by converting dissolved compounds to energy
What is the branch of microbiology that studies bacteria?
Bacteriology
What is the size range of typical bacteria?
A few micrometres in length
What stage of the nutrient cycle are bacteria responsible for in the decomposition of dead bodies?
Putrefaction
Test your knowledge about the basic characteristics and roles of bacteria on Earth. Learn about their habitats, importance in the nutrient cycle, and more.
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