Domain is the least inclusive group of all of the categories.
A. True

B. False

B. False

Explanation:

Within this hierarchy, living things are organized from the largest, most-inclusive group (domains) down to the smallest, least-inclusive group (called species). Domain: Domains group organisms by fundamental characteristics like cell structure and chemistry. The three domains are Bacteria, Archaea, and Eukarya.

B. False

Explanation:

Domain is not the least inclusive group of all of the categories. The three domains are Bacteria, Archaea, and Eukarya.

layer 3 is younger than layer 6.