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Question

Why are archaebacteria also called ancient living fossils?


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Solution

Archaebacteria:

  1. Single-celled creatures fall under the category of archaea.
  2. These microbes are prokaryotes because they lack cell nuclei.
  3. The term "archaebacteria," which was used to describe archaea when they were first categorized as bacteria, is no longer in common usage.
  4. They were given the name ‘ancient living fossils’ because they stand for one of the first forms of life that first experimented with absorbing solar energy, survived in anaerobic environments, and developed strategies to oxidize compounds found in the substratum in the presence of oxygen.

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