Ccording to the proposed three-domain system, Select one: a. archaea and eukarya are more closely related than either is to the bacteria. b. archaea and bacteria are more closely related than either is to the eukarya. c. bacteria and eukarya are more closely related than either is to the archaea. d. all three groups arose separately. e. All three groups are equally related.

A. archaea and eukarya are more closely related than either is to the bacteria.

Explanation:

The Bacteria arose first, followed by Archaea, and then Eukarya. Archaea and Eukarya are more closely related to each other than either is to the Bacteria.

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion