Are mutations typically beneficial to the organism?

No

Explanation:

Mutation to an organism are not usually beneficial and sometimes can have devastating effects!

While there is some mutations known as BENEFICIAL mutations this is not likely and are more likely to be dangerous and un-helpful mutations

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)]

the answer is c because it is most logical.