Citing examples and making labelled diagrams, explain the isomorphic and heteromorphic alternation of generation.

In plant life cycles, alternation of generations refers to the alternation between two distinct stages: the haploid (gametophyte) stage and the diploid (sporophyte) stage. These two stages differ in their structure and function, and the patterns of this alternation can be isomorphic or heteromorphic, depending on the degree of similarity or difference between the two generations.

Isomorphic Alternation of Generations  
In isomorphic alternation of generations, the sporophyte and gametophyte generations are morphologically similar, although they differ in ploidy level (haploid vs. diploid). This means that both generations look alike, but one is diploid and the other is haploid. A classic example of isomorphic alternation of generations is seen in many algae, especially in certain types of green and brown algae.

For instance, in the life cycle of *Cladophora* (a genus of green algae), both the gametophyte and the sporophyte stages are multicellular and look ________ _________ ___ __________ ______ ______ ___ ______ __________ __________ ______ ___.
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