Define sporulation list two organisms which reproduce by this method ???

A spore can be defined as miniature, characteristically consist of a single cell. the spores get involved in the asexual reproduction of some organisms like bacteria, yeast, fungi, and plants. The organisms like Rhizopus, mushroom, etc., are replicated by forming the spores.

Explanation:

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)]