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FAUNAI BAHR

FAUNAI BAHR, jamen hanvonotero guyand, ki dar bahru uqyonusho zindagi mekunand. Ba faunai bahr qarib 160 hazor namudi hayvonot mansub ast: soddatarinho (foraminiferaho, radiolyariyaho, qamchinakdorho va infuzoriyaho; qarib 10 hazor), isfanjho (qarib 5000), rudakovokho (qarib 9000), kirmhon gunogun (ziyoda az 7000), nitfpoyhoyu mshanikho (ziyoda az 4000), narmbadanho (ziyoda az 80000), kharchangshaklon (ziyoda az 20000), suzanpuston (6000), pardagiho (qarib 1000), mohiho (qarib 16000) va shirkhurhoyu khazandagon (qarib 150).

f-bahr

Hama tiphoi olami hayvonot dar bahr ba vujud omadaand. Badtar baze namoyandagoni onho baroi dar khushki va obhoi shirin zindagi kardan mutobiq gashta, ba paydoishi faunai in joyho ibtido guzoshtand. Yak qator jonvaroni muhrador (masalan, belpoyho, sangpushti obi) dubora ba hayoti obi guzashta boshand ham, bo khushki aloqa doshta, dar on jo afzoish mekunand. Vobasta ba ziyod shudani chuqurii bahr faunai bahr kam meshavad.
Faunai bahr baroi inson ahamiyati kaloni khojagi dorad. Soli 1970 dar jahon 60 mln t faunai bahr (ziyoda az 53 mln t mohi, 3 mln t narmbadanho, 1,5 mln t kharchangshaklho) shikor shud.

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safedaho

SAFEDAHO

SAFEDAHO, proteinho, moddahoi organikii kalonmolekulai tabiiero guind, ki az aminokislotaho tarkib yofta dar sokhtu faoliyati …