|
Answer» produce spores have SPOROPHYTE attached to gametophyte lack roots lack vascular tissues Solution :(b) The MAIN plant body of bryophytes is GAMETOPHYTIC which is independent and may be thallose or foliose. The sporophyte is differentiated WATER of ponds during spring season, hence ALSO called pond scum.Whereas, blue-green algae like Nostoc,Anabaena are the important nitrogen fixing cyanobacteria, , so these are used as biofertiliser, Azotobacteris the aerobic free living/non-symbiotic nitrogen fixer.
|