Fern Plant

[00:14.59] تزين بيا الحته

[00:15.92] اقدم واحد عالكوكب

[00:17.25] مش بطلع زهر

[00:18.59] بس دايمًا بطلع الاول

[00:20.72] انا sporophyte

[00:22.31] 2N diploid

[00:24.17] Mature stage

[00:25.76] ‎تشوفني on fire

[00:27.09] Rhizome

[00:27.26] ‎تحت فال roots

[00:28.32] فوقهم pinna with pinnules

[00:30.18] Sporophyte اول stage

[00:31.77] مال cycle كله مقسوم

[00:33.63] خدلك pinna واحده شوفها

[00:35.22] هتلاقي جواها sora

[00:37.09] كور حمرا كتير ازميلي

[00:38.68] من صغرها مش هتشوفها

[00:40.54] ال sorus جواها sac

[00:42.13] جواها spore mother cell

[00:43.73] تعمل meosis و تنزل n و n و n و n

[00:47.18] ال sac ينفجر و تطلع spore خرمانه عالمايه

[00:50.91] يحصلها germination بال mitosis بعد شويه

[00:54.79] Fern plant

[00:55.59] Polypodium

[00:56.39] انا fern plant

[00:58.25] Fern plant

[00:59.05] Polypodium

[00:59.84] انا fern plant

[01:01.70] Fern plant

[01:02.77] Polypodium

[01:03.29] انا fern plant

[01:05.16] Fern plant

[01:06.48] Polypodium

[01:08.07] انا fern plant

[01:08.61] Gametophyte prothallus

[01:09.67] يا برو شكلها بتتسلى

[01:11.26] Rhizoid تمتص المايه و الاملاح كلها فثانيه

[01:14.72] جواهم male و female

[01:16.31] عنتر و الفيميل عالعرش

[01:18.17] بيتغذوا عالقلب الاخضر

[01:19.50] و الفيميل مببتحركش

[01:21.89] Archegonium egg cell فوق

[01:23.48] عنتر و sperm تحت

[01:25.08] يعملوا fertilization

[01:26.42] و يطلعوا fern plant

[01:28.28] احنا نجدد و انت تقلد

[01:30.13] هنعديكوا راكبين كريم

[01:31.47] مش هنعمل اي حساب

[01:32.80] لا تقولي بطل ولا تنين

[01:36.12] Fern plant

[01:36.64] Polypodium

[01:38.25] انا fern plant

[01:39.31] Fern plant

[01:40.11] Polypodium

[01:40.90] انا fern plant

[01:43.03] Fern plant

[01:43.82] Polypodium

[01:44.35] انا fern plant

[01:46.21] Fern plant

[01:47.01] Polypodium

[01:47.81] انا fern plant