organizmlarning ko’payishi va individual rivojlanishi
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organizmlarning ko’payishi va organizmlarning ko’payishi va individual rivojlanishi reja: 1.organizmlarning ko’payish usullari . a)jinsiz ko’payishning bir hujayrali organizmdagi xillari (binar bo’linish , ko’p bo’linish ,spora hosil qilib ko’payish , kurtaklanib ko’payish ) b) jinsiz ko’payishning ko’p hujayrali organizmdagi xillari (vegetativ ,sporalar ,fragmentlar ,kurtaklanish , poli embreonal) 2.jinsiz ko’payishning biologik ahamiyati to’g’risida . 3.jinsiy ko’payishning mohiyati (tuxum va urug’ hujayralarning tuzilishi ) 4. jinsiy ko’payishning jinsiz ko’payishdan afzalliklari . 5.meyoz , uning biologik bosqichlari (profaza ,metofaza,anafaza,telofaza ) . 6.meyozning biologik ahamiyati . 7.ontogenez,uning tiplari va davrlari (lichinkali ,lichinkasiz ,ona qornida rivojlanish ,embrional...
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