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Get Answers to all your Questions
what is the difference between protonema and secondary protonema in mosses?
Answers (2)
Primary protonema is only responsible for germination of spore whereas secondary protonema helps in the whole development of gametophytic part of plant
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Primary protonema- develop directly from spore and it is creeping,green branched,mostly filamentous
Secondary protonema- it consists of upright slender axis bearing spirally arranged leaves,this stage bears sex organs like antheridia and archegonia
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