Question

what is the main characteristic that distinguished the members of domain eukarya from the other two domains? presence of a call wall having single - celled organisms ability to perform photosynthesis presence of a gudeus clear my selection

Explanation:

• Domain Eukarya: Cells have a nucleus.
• Domain Bacteria and Archaea: Prokaryotic cells (no nucleus).
• Cell wall: Present in some Eukarya (e.g., plants), but also in Bacteria and Archaea.
• Single - celled organisms: Found in Eukarya (e.g., yeast), Bacteria, and Archaea.
• Photosynthesis: Some Eukarya (plants), Bacteria (cyanobacteria) can perform it.

Answer:

presence of a nucleus