Why were organisms in Domain Bacteria and Domain Archaea once classified in the same domain?

1 Answer
margee
Mar 5, 2018

Scientists thought that archaea and bacteria were the same because they both are bacteria.

Explanation:

Archea, however, have been on this planet way longer than bacteria and can survive in extreme environments like extreme heat, extreme cold, and other hazardous or extreme environments which make them different from bacteria.

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