O’pkasi (a), traheyasi (b), o’pka va traheyasi (c) yordamida nafas oluvchi hasharot aniqlang. 1) chayon; 2) iskabtopar; 3) butli o’rgimchak; 4) qandala; 5) biy; 6) suv shillig’i
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a- 1,2; b- 3,4; c- 5,6;
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a- 2,6; b- 3,4; c- 1,5;
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a- 1,6; b- 2,4; c- 3,5;
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a- 2,3; b- 1,4; c- 3,5;
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