Organisms are classified into domains and other groups by similar characteristics. There are three domains: Archaea, Bacteria, a
nd Eukarya. Which of the following characteristics is used to classify organisms into domains?
genetic similarities
similarities in habitat
presence or absence of a nucleus
presence or absence of photosynthesis
1 answer:
Answer:
presence or absence of a nucleus
Explanation:
These classification of organisms into broad domains is based on the present or absence of nucleus in the cell of an organism.
The archaea are prokaryotes and they lack a distinct cellular nuclei.
Bacteria are similar to archaea but bacteria have only one RNA polymerase
Eukarya have true nucleus and membrane bound organelles .
So, the variations in their cells are used to classify organisms into the broad categories
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