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Oh the Variety The plant kingdom is much more diverse than most people think Many people just assume well theyre all green and leafy-whats the difference There are many differences in the plant kingdom like reproduction methods structural individuality and locations One type of plants that includes moss liverwort and hornwort is called bryophytes Other types are filicinophytes coniferophytes and angiospermophytes Each has its own destinct lifestyle if you will that seperates it from other green leafy things One of the first identifiers of a bryophyte is its waxy cuticule that helps the plant retain water Both male and female reproductive organs are present in bryophytes the male antheridium and the female archegonium The fertilized egg developes in the protection of the archegonium Water is a very important part of a bryophytes life not only for nutritional matters but its sperm are flagellated meaning that they must swim to the egg to fertilize it Most bryophytes do not have vascular tissue and therefore must beable to absorb water and desperse it throughout the entire plant Because they are non-vascular plants bryophytes do not have regular roots but root-like rhizoids This is a main reason that you are most likely to find bryophytes such as mosses in damp shaded areas A very small proportion of bryophytes lacks any special mechanism for spore liberation The liverwort Riccia has the simplest known type of sporangonium which is nothing but a capsule containing spores At maturity the capsule wall disintegrates to expose the mass of spores which are completly set free when the surrounding gametophytic tissues break down These spores are much larger than most wind-dispersed spores so it is unclear how they are distributed as insect distribution is almost unheard of with bryophytes
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