organizmlarning individual rivojlanishi
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hayvonlarning turli muhit sharoitlarga moslanishi organizmlarning individual rivojlanishi organizmlarning individual rivojlanishi reja : 1. ontogenez – organizmning individual rivojlanishi 2. ontogenezning bosqichalari 3. ontogenezning tiplari 4. ontogenezning davrlari individual rivojlanish yoki entogenez triklikning eng muhum xsusiyatlaridan biridir.ontogenez tushunchasi 1866-yilga e. gekkel tomonidan fanga kritilgan bir hujayralilarda ontogenez ularning hosil bo’lishidan boshlanib bo’linishi yoki o’limi bilan tugallanadi. ko’p hujayralilarda ontogenez zigotya hosil bo’lishidan boshlanib o’lim bilan tugallanadi. ointogenezning uchta tipi mavjud: 1. lichinkali. 2.lichinkasiz. 3. ona qornida rivojlanish. lichinkali ontogenez. tuxum hujayrada oziq modda kam bo’lgan organizmlarda kuzatiladi....
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