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BIO NOTES & FACTS is a platform which provides you various facts about Biology. This site will give you amazing short notes,Which will help Students in various way and thus help them in their studies for better understanding about biology.
Thallophyta These are the plants with no body differentiation They do have a specific root, stem, leaves so they do not have specific differentiation They prefer aquatic habitats examples :-green algae In thallophyta they have a hidden reproductive system -cryptogamae Algae They are autotrophic Habitat :- Mostly aquatic (freshwater/ marine ) , found in most soil/ wood Structure :- It can be unicellular,colonial, filamanteous Examples :-volvox ( colonial ), Chlamydomonas (unicellular ), Ulothrix (filamenteous ), Spirogyra ( filamenteous ), Ulva, Cladophora (branched filaments) it is also known as river weed Algae reproduction Asexual reproduction :- Fragmentation Parent organism will break into new pieces or multiple pieces on maturity, each of which give rise to a new individual. Example :- spirogyra when it becomes matures it breaks into new pieces and each of these pieces are able to give rise to a ne...
Monera reproduction Asexual mode Sexual mode Asexual mode of reproduction Monera reproduces mostly through asexual mode of reproduction by fission, spore formation etc. Sexual mode of reproduction
Bryophyta Mosses Characteristics:- They mostly prefer moist and shady habitats Their plant body is simple: They don't produce their own seeds or flowers, They have simple leaves which is covered with thin stems, They have root-like structures, Rhizoids Like liverworts, the gametophyte is the predominant stage in the life cycle of mosses Gametophyte:- it consists of 2 stages Protenema It develops from a spore, They are green, creeping and branched structure Leafy stage (final gametophyte) It develops from secondary protonema, They have an upright axis with spirally arranged leaves Examples;- Funaria, Sphagnum, Common hair cap moss Reproduction:- Asexual reproduction Fragmentation:- Stems, leaves from the moss accidentally broken off can regenerate to form a new plant. Budding:- New individual is formed as an outgrowth of the parent, Daughter separates away and parent continues to exist Sexual reproducti...
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