write a short note on prothallus?
(class 11) upto 6 points
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A prothallus, or prothallium, (from Latin pro = forwards and Greek θαλλος (thallos) = twig) is usually the gametophyte stage in the life of a fern or other pteridophyte. Occasionally the term is also used to describe the young gametophyte of a liverwort or peat moss as well.
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Prothallus is the green, flat and heart-shaped structure in the life cycle of the fern plant.
It serves as the breeding ground for gametes. Prothallus has the capacity of photosynthesis. The energy required to grow gametes is provided by it.
prothallus, or prothallium, is usually the gametophyte stage in the life of a fern or other pteridophyte.
Occasionally the term is also used to describe the young gametophyte of a liverwort or peat moss as well
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