Sana: 1- laboratoriya mashg’uloti

Bronza qo’ng’izi Lupa Qaychi

Ishning borishi:

1. Hashorotlarning tashqi ko’rinishi kuzatilib, tanasining uzunligi va rangi aniqlanadi.

2. Tanasining bosh, ko’krak va qorin qismlari aniqlab olinadi.

3. Bosh qismida joylashgan ko’rish (ko’zlar), hid bilish (mo’ylov) va og’iz organlari shunchaki ko’z bilan yoki lupa yordamida tekshiriladi. Mo’ylovlarning tuzilishidagi farq aniqlanadi.

4. Oyoqlarining tuzilishi, bo’g’imlarga bo’linishi, tirnoqlari, oldingi va keyingi oyoqlarining tuzilishidagi farq, oyoq bilan tana qismlari o’rtasidagi bog’lanish aniqlanadi.

5. Ko’krak bo’limidagi ikki juft qanotlaridan birinchi jufti (ustki qanoti) qisqich yordamida ko’tarilib, ikkala juft qanotlarining bir-biridan farqi yoki o’xshashligi aniqlanadi.

6. Qanotlar qaychi yordamida kesilib, qorin qisminig tuzilishi ko’zdan kechiriladi.

Lupa yordamida qorin qismida joylashgan nafas olish teshiklari topiladi.

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