The correct answer is Option (4)-Fragmentation
Red algae reproduce vegetatively through Fragmentation.
Explanation:
- Vegetative reproduction refers to the formation of new individuals from non-reproductive structures of the parent organism.
- In the case of red algae, a common method of vegetative reproduction is Fragmentation.
- Fragmentation involves the breaking of a parent algal thallus (body) into fragments, and each fragment has the potential to grow into a new individual.
- This process allows red algae to colonize new areas and propagate in favorable conditions.
The other options have different meanings:
- Fission: A process of cell division, not typically used for vegetative reproduction in red algae.
- Spore formation: Involves the production of reproductive spores, which can lead to new individuals but is not considered vegetative reproduction.
- Cutting: Generally not applicable to red algae as a method of vegetative reproduction.
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