Qaysi javobda suyakli baliqlar va suvda hamda quruqlikda yashovchilar sinflari uchun umumiy bo'lgan ma'lumotlar to'g'ri ko'rsatilgan?
1) tana harorati tashqi muhitga bog'liq; 2) tuxumini suvga qo'yadi; 3) qon aylanish sistemasi yopiq; 4) burni nafas olishda ishtirok etmaydi; 5) katta va kichik qon aylanish doiralari rivojlangan; 6) tanasi muguz tangacha bilan qoplangan.

  1. 1, 2, 3
  2. 2, 4, 6
  3. 1, 3, 5
  4. 2, 3, 4

📝 Detailed explanation

1) Sovuqqonli — ikkalasi ham ✓.
2) Tuxumini suvga qo'yadi — baliqlar va amfibiyalar ✓.
3) Yopiq qon aylanish — barcha xordalilarda, ikkalasida ✓.
4) Baliqlarda burun teshigi nafasda ishtirok etmaydi (jabra), amfibiyalarda esa burun nafasda ishtirok etadi → faqat baliqlarda ✗.
5) Baliqlarda 1 doira, amfibiyalarda 2 doira ✗.
6) Suyakli baliqlar — suyak tangachali, sudralib yuruvchilar — muguz; ikkalasi uchun emas ✗.
Javob: 1, 2, 3.
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Question 34 of 36
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