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The fragmentation method of reproduction is shown in ________.
Spirogyra
Amoeba
Plasmodium
Hydra
Spirogyra
Fragmentation is an asexual mode of reproduction where the parent organism's body breaks into smaller pieces, or fragments, each of which develops into a new individual. This process is characteristically observed in multicellular organisms with simple body organization like the filamentous green alga Spirogyra.
Fragmentation is an asexual mode of reproduction where the parent organism's body breaks into smaller pieces, or fragments, each of which develops into a new individual. This process is characteristically observed in multicellular organisms with simple body organization like the filamentous green alga Spirogyra.
Think of it like a piece of a plant cutting; if you cut a stem and plant it in soil, it regrows into a full plant. In Spirogyra, nature performs this 'cutting' automatically as part of its life cycle.
F-S (Fragmentation = Spirogyra)
N=N0тАЛ├Ч2n тАФ though typically for binary fission, it represents the rapid population growth potential in simple asexual reproduction.
When mature, the filament of the Spirogyra undergoes cell division and simple structural instability, leading to spontaneous breakage into fragments. Each fragment contains living cells that undergo mitosis and cell elongation to regenerate the complete, independent filamentous structure of the parent, provided that environmental conditions (such as availability of water and nutrients) are favorable.
Fragmentation is a form of vegetative or asexual reproduction.
It occurs only in organisms with relatively simple body structures.
The regenerated offspring are genetically identical to the parent.
It differs from regeneration in that fragmentation is a reproductive strategy rather than just a survival mechanism for tissue loss.
Does not require a mate
Rapid population increase under favorable conditions
Lack of genetic variation
Susceptibility to environmental changes or diseases that affect the entire clone population
Algal cultivation
Studying basic developmental biology
Amoeba reproduces primarily by binary fission.
Plasmodium reproduces by multiple fission.
Hydra typically reproduces by budding.
Spirogyra is a genus of filamentous charophyte green algae.
A is correct тАФ Spirogyra exhibits reproduction through the fragmentation method, where its filaments break into pieces that grow into new individuals.
Always differentiate between fragmentation (Spirogyra), regeneration (Planaria), and budding (Hydra), as these are frequently confused in competitive biology questions.