Question

why were archaea and bacteria grouped together by biologists until recently?

A. they look similar
B. they have very similar DNA
c. They are both very ancient organisms.
D. they both perform the same ecological funcction

Answer 1

what do u think?? @dylan94941

Answer 2

i don't know i just need to get this 5? quiz done fast

Answer 3

k k....so....its A. they look similar..
Both archaea and eubacteria are similar in shape and size. They are both found occurring as rods, cocci, spirals, plates, coiled etc.

Answer 4

HoPe It HeLps^

Answer 5

Interesting information:
In the past, archaea were classified as bacteria and were called archaebacteria. But it was discovered that archaea have a distinct evolutionary history and biochemistry compared with bacteria.