Question

what can fragmentation, a very rare form of reproduction be characterized by?
alternation of generations among very different species
a daughter cell pinching off and becoming its own mother cell
part of an organism pinching off and becoming its own organism
haploid gametes joining to form diploid zygotes

Explanation:

Fragmentation is a form of asexual reproduction where a part of an organism breaks off and develops into a new, independent organism. The first option refers to alternation of generations which is different. The second option describes a form of cell - division related to budding in some unicellular organisms. The fourth option describes sexual reproduction.

Answer:

part of an organism pinching off and becoming its own organism