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9. Differentiate between the following:-

            (ii) liverworts and moss

Answers (1)

Differences between liverworts and mosses are as follows

Liverworts Mosses    
Sporophyte has very little photosynthetic tissue, so it is completely parasitic on the gametophyte Sporophyte contains more photosynthetic tissue                                   
Scales often present Scales are mostly absent
Gemma cups are present for vegetative reproduction in some liverworts Gemma cups are mostly absent
Rhizoids are unicellular Rhizoids are multicellular
The gametophyte is thalloid with dichotomous branching  The gametophyte is leafy, branching is lateral
Chlorophyll and stomata are absent. Chlorophyll and stomata are present in sporophytes for gaseous exchange.

 

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Sonika

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