10 Questions
Bacteria play a vital role in many stages of the nutrient cycle by recycling nutrients and the fixation of nitrogen from the atmosphere
environment
Bacteria were among the first life forms to appear on Earth, and are present in most of its habitats
early life forms
Bacteria inhabit soil, water, acidic hot springs, radioactive waste, and the deep biosphere of Earth's crust
other environments
Bacteria also live in symbiotic and parasitic relationships with plants and
animals
Typically a few micrometres in length, bacteria were among the first life forms to appear on Earth, and are present in most of its habitats
small in size
What is the size range of bacteria?
Micrometres in length
What role do bacteria play in the nutrient cycle?
They recycle nutrients and fix nitrogen from the atmosphere
Where do extremophile bacteria primarily provide nutrients to sustain life?
In hydrothermal vents and cold seeps
Where are bacteria found in Earth's habitats?
In soil, water, acidic hot springs, and radioactive waste
What type of microorganisms are bacteria?
Prokaryotic
Test your knowledge of bacteria with this quiz! Explore the diverse world of these prokaryotic microorganisms, their habitats, and their significance in the history of life on Earth.
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