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ikki pallali molyuskalarning hududiy tarqalishi va tur tarkibi

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ppt/slidelayouts/slidelayout1.xml ppt/slidelayouts/slidelayout2.xml ppt/slidelayouts/slidelayout3.xml ppt/slidelayouts/slidelayout4.xml ppt/slidelayouts/slidelayout5.xml ppt/slidelayouts/slidelayout6.xml ppt/slidelayouts/slidelayout7.xml ppt/slidelayouts/slidelayout8.xml ppt/slidelayouts/slidelayout9.xml ppt/slidelayouts/slidelayout10.xml ppt/slidelayouts/slidelayout11.xml ppt/slidemasters/slidemaster1.xml ppt/theme/theme1.xml ppt/slides/slide1.xml ppt/slides/slide2.xml ppt/notesslides/notesslide1.xml ppt/slides/slide3.xml ppt/notesslides/notesslide2.xml ppt/slides/slide4.xml ppt/notesslides/notesslide3.xml ppt/slides/slide5.xml ppt/slides/slide6.xml ppt/notesslides/notesslide4.xml ppt/slides/slide7.xml ppt/notesslides/notesslide5.xml ppt/slides/slide8.xml ppt/notesslides/notesslide6.xml ppt/slides/slide9.xml ppt/slides/slide10.xml ppt/notesslides/notesslide7.xml ppt/slides/slide11.xml ppt/slides/slide12.xml ppt/notesslides/notesslide8.xml ppt/slides/slide13.xml ppt/notesslides/notesslide9.xml ppt/slides/slide14.xml ppt/notesslides/notesslide10.xml ppt/notesmasters/notesmaster1.xml ppt/theme/theme2.xml ppt/handoutmasters/handoutmaster1.xml ppt/theme/theme3.xml ppt/presprops.xml ppt/viewprops.xml ppt/tablestyles.xml docprops/app.xml docprops/core.xml docprops/custom.xml ppt/media/image1.jpeg ppt/media/image2.jpeg ppt/media/image3.jpeg ppt/media/image4.png ppt/presentation.xml _rels/.rels ppt/handoutmasters/_rels/handoutmaster1.xml.rels ppt/notesmasters/_rels/notesmaster1.xml.rels ppt/notesslides/_rels/notesslide1.xml.rels ppt/notesslides/_rels/notesslide10.xml.rels ppt/notesslides/_rels/notesslide2.xml.rels ppt/notesslides/_rels/notesslide3.xml.rels ppt/notesslides/_rels/notesslide4.xml.rels ppt/notesslides/_rels/notesslide5.xml.rels ppt/notesslides/_rels/notesslide6.xml.rels ppt/notesslides/_rels/notesslide7.xml.rels ppt/notesslides/_rels/notesslide8.xml.rels ppt/notesslides/_rels/notesslide9.xml.rels ppt/_rels/presentation.xml.rels ppt/slidelayouts/_rels/slidelayou
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t1.xml.rels ppt/slidelayouts/_rels/slidelayout10.xml.rels ppt/slidelayouts/_rels/slidelayout11.xml.rels ppt/slidelayouts/_rels/slidelayout2.xml.rels ppt/slidelayouts/_rels/slidelayout3.xml.rels ppt/slidelayouts/_rels/slidelayout4.xml.rels ppt/slidelayouts/_rels/slidelayout5.xml.rels ppt/slidelayouts/_rels/slidelayout6.xml.rels ppt/slidelayouts/_rels/slidelayout7.xml.rels ppt/slidelayouts/_rels/slidelayout8.xml.rels ppt/slidelayouts/_rels/slidelayout9.xml.rels ppt/slidemasters/_rels/slidemaster1.xml.rels ppt/slides/_rels/slide1.xml.rels ppt/slides/_rels/slide10.xml.rels ppt/slides/_rels/slide11.xml.rels ppt/slides/_rels/slide12.xml.rels ppt/slides/_rels/slide13.xml.rels ppt/slides/_rels/slide14.xml.rels ppt/slides/_rels/slide2.xml.rels ppt/slides/_rels/slide3.xml.rels ppt/slides/_rels/slide4.xml.rels ppt/slides/_rels/slide5.xml.rels ppt/slides/_rels/slide6.xml.rels ppt/slides/_rels/slide7.xml.rels ppt/slides/_rels/slide8.xml.rels ppt/slides/_rels/slide9.xml.rels [content_types].xml click to edit master subtitle style click to edit master title style style.visibility ppt_x ppt_y click to edit master title style click to edit master text styles second level third level fourth level fifth level click to edit master title style click to edit master text styles click to edit master title style click to edit master text styles second level third level fourth level fifth level click to edit master text styles second level third level fourth level fifth level click to edit master title style click to edit master text styles click to edit master text styles second level third level fourth level fifth level click to edit master text styles click to edit master text styles second level third level …
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t master title style click to edit master text styles second level third level fourth level fifth level click to edit master title style click to edit master text styles second level third level fourth level fifth level click to edit master title style click to edit master text styles second level third level fourth level fifth level style.visibility ppt_x ppt_y style.visibility ppt_x ppt_y ikki pallali molyuskalarning hududiy tarqalishi va tur tarkibi m a v z u : i k k i p a l l a li m o l y u skalarning h u d u d i y tarqalishi va tur takribi r e j a 1. ikki pallali m o l yuskalar to‘g‘risida umumiy ma’lumot 2. ikki pallali m o l y u skalarning hududiy tarq a l i s h i . 3. turli ekologik sharoitlarga moslashuvi 4. turlar xilma-xilligi va muhim vakillari 5. ikki …
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muhim bioindikator bo‘lib xizmat qiladi. bugungi kunda global iqlim o‘zgarishlari, suv havzalarining ifloslanishi, antropogen omillar va biotoplarning yo‘qolishi ikki pallali mollyuskalarning ko‘plab turlariga xavf tug‘dirmoqda. shu sababli, ularning tarqalish qonuniyatlarini o‘rganish nafaqat ilmiy jihatdan, balki amaliy ekologik va xo‘jalik nuqtayi nazaridan ham dolzarb masalalardan biridir. ikki pallalilar suvni tabiiy tozalovchi filtratorlar sifatida, shuningdek, marvaridchilik va ovlanadigan resurs sifatida katta iqtisodiy ahamiyatga ega. mazkur mavzuni chuqur o‘rganish orqali nafaqat biologik xilma-xillikni saqlab qolish, balki suv resurslarini barqaror boshqarish, tabiiy muhitni muhofaza qilish va kelajak avlodlarga toza ekotizimni yetkazish imkonini beruvchi muhim ilmiy asoslar shakllantiriladi. --- agar ushbu dolzarblik qismini referat, loyiha yoki ilmiy maqola formatida rasmiylashtirish kerak bo‘lsa, ayting — tayyorlab beram business business business umumiy ma’lumot ikki pallali mollyuskalar — yumshoqtanlilar tipiga mansub, qobig‘i ikki bo‘lakdan iborat suv hayvonlari bo‘lib, butun dunyo bo‘ylab keng tarqalgan. ular asosan dengiz, okean, chuchuk suv havzalari va ba’zan yerosti suvlari tubida yashaydi. ushbu sinfga …
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an, murakkab chig‘anoqlar – conus, murex). 2. chuchuk suv havzalarida tarqalishi ko‘llar, daryolar va buloqlarda lymnaea, planorbis, viviparus kabi turlar yashaydi. ular suvning toza yoki iflos bo‘lishiga sezgir bo‘lib, ko‘pincha bioindikatorlar sifatida qo‘llaniladi. 3. quruqlikda tarqalishi nam iqlimli joylarda, o‘rmonlar, bog‘lar, nam yerlar va hatto tog‘ etaklarida helix (uzum salyangozlari) va boshqa yerda yashovchi turlar uchraydi. quruqlik baqachanoqlari asosan yuqori namlik va yumshoq tuproqni afzal ko‘radi. ikki pallali mollyuskalar va ularning turli ekologik sharoit l a r g a m o s l a s h u v i 1. substratga moslashuvi ko‘miluvchi turlar (masalan, venus, tellina) qumli yoki loyqa tublarga osongina ko‘miladi. ular uzun sifonlari orqali nafas olish va oziqlanishni amalga oshiradi. toshli substratga yopishuvchi turlar (masalan, mytilus – midiyalar) maxsus ip (bysuss ipchasi) orqali qattiq yuzalarga yopishadi, bu ularni to‘lqin va oqimlardan himoya qiladi 2. suv harorati va sho‘rlikka moslashuvi ba’zi turlar suv haroratining o‘zgarishiga chidamli bo‘lib, tropikdan …

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ppt/slidelayouts/slidelayout1.xml ppt/slidelayouts/slidelayout2.xml ppt/slidelayouts/slidelayout3.xml ppt/slidelayouts/slidelayout4.xml ppt/slidelayouts/slidelayout5.xml ppt/slidelayouts/slidelayout6.xml ppt/slidelayouts/slidelayout7.xml ppt/slidelayouts/slidelayout8.xml ppt/slidelayouts/slidelayout9.xml ppt/slidelayouts/slidelayout10.xml ppt/slidelayouts/slidelayout11.xml ppt/slidemasters/slidemaster1.xml ppt/theme/theme1.xml ppt/slides/slide1.xml ppt/slides/slide2.xml ppt/notesslides/notesslide1.xml ppt/slides/slide3.xml ppt/notesslides/notesslide2.xml ppt/slides/slide4.xml ppt/notesslides/notesslide3.xml ppt/slides/slide5.xml ppt/slides/slide6.xml ppt/notesslides/notesslide4.xml ppt/slides/slide7.xml ppt/notesslides/notesslide5.xml ppt/slides/slide8.xml ppt/notesslides/notesslide6.xml p...

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