What is the Lifecycle of a Moss? | Biology | Extraclass.com
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This video will help you to learn What is the Lifecycle of a Moss?
What is the Lifecycle of a Moss?
Long long years ago, a special group of plants with a sense of adventure began making the journey from water to land.
What were these plants ??
Moss !!
There are thousands of known species of mosses.
But Question is….
What plant group does Moss belong to?
Bryophytes include the various mosses and liverworts that are found commonly growing in moist shaded areas in the hills.
Bryophytes are also called amphibians of the plant kingdom because these plants can live on soil but are dependent on water for sexual reproduction.
The plant body of bryophytes is more differentiated than that of algae.
It is thallus-like and prostrate or erect and attached to the substratum by unicellular or multicellular rhizoids.
They lack true roots, stem or leaves.
However, They may possess root-like, leaf-like or stem-like structures.
Mosses are small flowerless plants that typically grow in dense green clumps or mats, often in damp or shady locations.
Let’s learn more about Moss and it’s a life cycle
The predominant stage of the life cycle of a moss is the gametophyte which consists of two stages:-
(1) Protonema and
(2) Leafy stage
The first stage is the protonema stage, which develops directly from a spore.
It is a creeping, green, branched and frequently filamentous stage.
The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud.
They consist of upright, slender axes bearing spirally arranged leaves.
They are attached to the soil through multicellular and branched rhizoids.
This stage bears sex organs.
The sex organs are multicellular.
The male sex organ is called the antheridium. They produce biflagellate antherozoids.
The female sex organ called archegonium is flask-shaped and produces a single egg.
The antherozoids are released into the water where they come in contact with archegonium.
An antherozoid fuses with the egg to produce the zygote.
Zygotes do not undergo a reduction division immediately.
They produce a multicellular body called a sporophyte.
The sporophyte is not free-living but is attached to the photosynthetic gametophyte and derives nourishment from it.
Some cells of the sporophyte undergo reduction division or meiosis to produce haploid spores.
These spores germinate to produce gametophyte.
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Пікірлер: 222
Once again, thank you indian people of KZread
@Extraclass
3 жыл бұрын
Welcome
@sabrinanaser9327
3 жыл бұрын
i thought this was german.... anyways weird to comment that
@MrVudkos
3 жыл бұрын
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@sabrinanaser9327
3 жыл бұрын
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@MrVudkos
3 жыл бұрын
@@sabrinanaser9327 i dont really get why... Idk if you have experienced this, but if i need some scientific stuff explained it is often videos made by indians that does a really good job of explaining it. There are tons of memes about it too
Very effective way of learning by showing animated video ( helps in remembering) and also providing the questions at the end.... 👏👏..
@Extraclass
3 жыл бұрын
Thanks
@Extraclass
3 жыл бұрын
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@skincarewithme1045
3 жыл бұрын
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@aadarshpreetsingh9571
3 жыл бұрын
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@gobioo
2 жыл бұрын
@@aadarshpreetsingh9571 doesn’t finish the sentence
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@Extraclass
3 жыл бұрын
Thanks
@faithg3
Жыл бұрын
Same here😊
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@joshisushmita5115
2 жыл бұрын
Ohh...please this is the most easiest method to teach... I don't feel its difficult to understand 😑
@sau7893
Жыл бұрын
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@sdqsdq6274
Жыл бұрын
@@joshisushmita5115 well i cant be bother with theory , i just grow them , lol
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explanation is ossum
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@Extraclass
3 жыл бұрын
Welcome
Thanks you so much
Thank you so much sir
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@Extraclass
3 жыл бұрын
Thanks for the appreciation
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3 жыл бұрын
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@Extraclass
3 жыл бұрын
So nice of you
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@Extraclass
10 ай бұрын
Glad it was helpful!
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3 жыл бұрын
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شكرا جزيلا ❤
Thank you sir very much I want more short vedio on gymnosperm angiosperms
Amazing all the key points of ncert are visualized now I am perfect in this topic
All concept about moss are cleared thank you
@Extraclass
3 жыл бұрын
Welcome
i understand this part very well
Thanks ❤️
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@Extraclass
3 жыл бұрын
You're most welcome
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@Extraclass
3 жыл бұрын
Thanks
Nice animation.cleared my doubts.thanku
@Extraclass
3 жыл бұрын
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Your video's are really good keep making more 👍
thanks ❤
Was really helpful. Lots of love from kerala
@Extraclass
3 жыл бұрын
Glad it helped
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Thanks a lot🤗🤗
Thank you so much ♥️♥️ sir
Question practicing was great 👍👍
@Extraclass
3 жыл бұрын
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Best best best 👍💯explanation I have ever seen explaining about mosses tqsm sir for such a best explanation I loved ur teaching lot sir 🥰🥰
@Extraclass
3 жыл бұрын
Welcome
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@Extraclass
3 жыл бұрын
So nice of you
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3 жыл бұрын
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@Extraclass
3 жыл бұрын
Welcome 😊
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@Extraclass
3 жыл бұрын
I'm glad you like it
Woahh i understand the thung in 4 minutes which i was reading since 4 hours !!!
واااو😍 هسه يلله فهمت الموضوع
Ekdum best explantion kiya gya hi
@Extraclass
3 жыл бұрын
Thanks
Tysm
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@devikamehta6765
3 жыл бұрын
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@devikamehta6765
3 жыл бұрын
😀
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@Extraclass
3 жыл бұрын
Thanks
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@Extraclass
3 жыл бұрын
Most welcome
فديتك فدي والله انت شنو thanks alot
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