Question

Which of the following options correctly identifies two ways organisms in the bacteria and archaea domains are similar? (Choose one)

A) They are all multicellular and photosynthetic.
B) They have a nucleus and membrane-bound organelles.
C) They are both prokaryotic and lack a nucleus.
D) They are exclusively found in extreme environments.

Answer 1

The correct identification of two similarities between organisms in the bacteria and archaea domains is that they are both prokaryotic and lack a nucleus (option C).

Step-by-step explanation:

The correct option that identifies two ways organisms in the bacteria and archaea domains are similar is C) They are both prokaryotic and lack a nucleus.

Organisms in both the Archaea and Bacteria domains are composed of prokaryotic cells, meaning that their cells do not contain a nucleus. Additionally, both domains are characterized by organisms that reproduce asexually, and although most have a cell wall, the composition of these cell walls differs between the two domains. It's worth noting that despite Archaea often being associated with extreme environments, not all archaea live in such conditions. Furthermore, bacteria are found in both extreme and more moderate environments. Hence, the other options presented are incorrect because they either attribute incorrect characteristics, such as a nucleus and multicellularity (options A and B), or make inaccurate generalizations about habitat preferences (option D).