Fragmentation (reproduction)
Fragmentation (reproduction)
Fragmentation (pronunciation: /ˌfræɡmənˈteɪʃən/), also known as clonal fragmentation, is a form of asexual reproduction where an organism is split into fragments. Each of these fragments develop into mature, fully grown individuals that are clones of the original organism.
Etymology
The term "fragmentation" comes from the Latin fragmentum, meaning "a broken piece" or "a part broken off", which is fitting as the process involves the breaking off of a part of the organism.
Process
In fragmentation, the organism is split into fragments, either through external forces or as a part of the organism's life cycle. These fragments then grow into new individuals through a process known as regeneration, where lost body parts are replaced. This process is common in many different types of organisms, including plants, fungi, sponges, flatworms, and starfish.
Advantages and Disadvantages
Fragmentation allows for rapid reproduction and colonization of new areas, as each fragment can grow into a new individual. However, it also results in a lack of genetic diversity, as all the individuals are clones of the original organism. This can make the population more susceptible to diseases and environmental changes.
Related Terms
- Asexual reproduction: A type of reproduction where an organism can reproduce and create offspring without the involvement of another organism.
- Regeneration: The process of renewal, restoration, and growth that makes it possible for certain organisms to regenerate lost or damaged parts.
- Genetic diversity: The total number of genetic characteristics in the genetic makeup of a species.
External links
- Medical encyclopedia article on Fragmentation (reproduction)
- Wikipedia's article - Fragmentation (reproduction)
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