The advantage of being an osmoconformer compared to an osmoregulator is

The advantage of being an osmoconformer compare to an osmoregulator is you don't have to use more energy to regulate ion gradients compare to an osmoregulator.

Explanation:

An osmoconformer is a marine organisms that maintains its internal environment without spend more energy that is osmotic to the external environment.

An osmoregulator is an organism that regulates it body osmolarity and maintain its internal environment. Its use or spend more energy for this.

Example of an osmoregulator is a fresh water fish and osmoregulators are commonly found in animal kingdom.

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)]