Why do we only use the genus and species to identify
organisms and not every
group they belong to, such as
their domain, kingdom,
and/or phylum?

answer: 2

explanation:

yes

the answer is b. glad to .

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]