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Biologiya

SINFI OBHOKIHO

obxokiho

Obkhokihoro batrakhologiya nom shokhai judogonai ilmi zoologiya meomuzad. Obkhokiho ham dar ob va ham dar khushki zindagi karda metavonand, az hamin sabab onhoro dubahra yo dumakona ham menomand. Obkhokiho avvalin hayvonhoi muhradori az ob ba khushki baromada ba hisob meravand, ki tavassuti baze namoyandagonashon paydoishi hayvonhoi muhradori khushkigardro muayyan karda …

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MOHIGIRY, MOHIPARVARI VA MUHOFIZATI MOHIYON

mohiho

Odamon az zamonhoi qadim mohigiri karda, gushtu tukhmaki onro mekhurdand. Holo ravganu ustukhon va pusti mohi kham istifoda burda meshavad (az jumla dar Tojikiston. Qismi ziyodi mohii shikorshuda istemol meshavad, tanho qismi kamash baroi tayyor kardani ordi Mohi (khuroki ilova baroi chorvo, parranda, havzkhoi mohiparvari) va khamchun nuri istifoda burda …

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Hodisahoi ajoib bo mohiho

mohi-xushkiqard

Mohi chi tavr shino mekunad? To in dam shino kardani mohiro ba harakati qanot va dumi vay vobasta mekardand. Holo aniq karda shudaast, ki mohi bo tanai khud harakatro ba vujud ovarda, qanotu dumi on hamchun sukkoi (rul) khizmat mekardaast. Gulmohy Dar ruznoma va majallaho dar borai ba odam rom …

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Gunogunii mohiyon

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Mohiyoni tagoyakdor taqriban 340-360 mln sol pesh paydo shudaand. Onhoro baroi on tagoyaki menomem, ki skeletashon az ustukhon ne, balki az boftahoi tagoyaki iborat ast. Mohiyoni tagoyakdor dar bahr zindagi mekunand. Dar khar yak tarafi galsama 5-7 tarkyashi galsamagi dorand. Onho puffaki shinovari nadorand. Uzvi harakati onho bol meboshad. Ba …

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MOHIHOI TOJIKISTON

riba-mohi-tajik-2

Dar muhiti obhoi Tojikiston to hol ziyoda az 40 namudi mohiho malumand. Az onho bazeashon ahamiyati kalon dorand. SHirmohi dar obhoi shirin zindagi mekunad. Daroziash to 50 sm buda, vaznash 1-2 kg meshavad. Vay dar daryohoi khurdu kaloni serobu kamobi kukhiston beshtar vomekhurad, Bazan dar obhoi khunuki shaffof chunin mohiho …

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SINFI MOHIHO

mohi

Mohiho nisbat ba digar hayvonhoi peshtar ba vujudomada hayvonoti inkishofyofta buda, purra dar ob zindagi mekunand va galsamaashon az avvali hayot to okhiri umr boqi memonad. Mohiho boli juft dorand, dar ob tez harakat mekunand va az in sabab qismi peshi badanashon darozruya shudaast. Maynai cap dar mohiho az 5 …

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SHakli berunii mohiyon (dar misoli okun)

okun

Okun dar obi shirin zindagi karda, bosurat shino mekunad. Qismhoi saru tan va dumashon yakjoya payvastaand. Tarqishhoi galsamaashro sarpushi galsama pushidaast. Tanai okun az du tarafi pahluyash pachaq ast va baroi bemonea buridani ob muvofiq meboptal. Bolhoi shinovarii okun sikhhoi sakhti ustukhoni dorand va dar vaqti ba onho hujum kardani …

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Tarzi zindagi, afzoish va inkishofi mohi

mohid

Mohiyon dar joyhoi gunoguni ob zindagi mekunand. Har kadomi onho khuroki gunogun mekhurayad, ba tarzi makhsus harakat mekunand, rang va shakli badanashon harkhela ast. Dar bayni mohihoi ustukhondor, makhsusan kambala ajoib ast. Badani on az du pahlu fishurda buda, dar qari ob ba yakpahlu mekhobad. CHashmonash dar yak pakhlui tarafi …

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Muhiti zindagi va raftori mohiho

mohi-oila

Okun qarib dar hamai daryoyu kulho duchor meshavad. Vay beshtar dar kulhoi obash na on qadar shuri Qirgiziston va obhoi kamnamaki Baltika, Kaspiy, Aral zindagi mekunad. Okunhoi kalon dar chuqurii ob va khurdashon dar bayni rastanihoi obii na on qadar chuqur zindagi mekunand. Onho guruh shuda, zimistonro dar qari ob …

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Tartibi gardishi khun, ikhroj va asabi mohiho

mahi

Hun moddai gizoii az devori rudayu meda guzashta va oksigeni az devorahoi galsama giriftaashro ba tamomi uzvhoi badan ravon karda, khujayrahoro az gizoyu orsigen tamin mekunad. Markazi harakatdihandai khun dar ragho mushakhoi dil meboshad. Dili mohi az khaltachahoi mushakii dukhonagi (medacha va dahlez) iborat ast. Raghoe, ki khun ba vositai …

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