When an organism of many cells breaks up into two or more parts and these parts survive to produce a new organism, reproduction occurs by a. budding b. fragmentation c. propagation

The answer is B. Fragmentation

Explanation:

Fragmentation is a process or method of asexual reproduction presented by certain organisms, in which an individual is divided into two or more parts, which become a new organism. The organism that originates from this asexual division are identical to the original organism.

stress fractures occur largely in the feet and legs and are common in sports that require repetitive impact, primarily running/jumping sports such as gymnastics or track and field.