Mavzu bo’yicha boshlang’ich bilimni tekshirish
Kirish testlarini ishlang:
1. To’garak og’izlilar sinfi qaysi katta sinfga mansub? A) baliqlar; B) jag’sizlar; V) jag’og’izlilar; G) to’rt oyoqlilar.
2. To’garak og’izlilar sinfi tarkibida nechta kenja sinf turkum bor? A) 1, 1; B) 2, 2; V) 3, 3; G) 4, 4.
3. Sistematik jihatdan Petromyzones kenja sinfi tarkibiga nechta turkum, oila va avlod kiradi? A) 1, 1, 5; B) 1, 2, 5; V) 1, 1, 6; G) 1, 1, 7.
4. Sistematik jihatdan Myxini kenja sinfi tarkibiga nechta turkum, oila va avlod kiradi? (3-savoldan).
5. Miksinalar ontogenezidagi qanday xususiyatiga ko’ra minogalardan farq qiladi? A-embrional rivojlanish davrining uzunligi bilan; B-lichinkalik davrining bo’lmasligi bilan; V-postembrional davrining uzunligi bilan; G-bir-biridan farq qilmaydi.
Yozma topshiriqlarni bajarish
Quyidagi topshiriqlarni bajaring.
1. To’garak og’izlilar uchun xos bo’lgan umumiy belgilarni ko’rsating:
1. ___________________________________________________________________________
2. ___________________________________________________________________________
3. ___________________________________________________________________________
4. ___________________________________________________________________________
5. ___________________________________________________________________________
6. ___________________________________________________________________________
7. ___________________________________________________________________________
2. Jag’sizlar katta sinfining (qazilma formalari bilan) sistematik guruhlarini keltiring:
Katta sinf: _____________________________________________________________________
Sinf: _________________________________________________________________________
Sinf: _________________________________________________________________________
Кенжа синф ___________________________________________________________________
Кенжа синф ___________________________________________________________________
Turkum: ______________________________________________________________________
Oila: _________________________________________________________________________
Turkum: ______________________________________________________________________
Oila: _________________________________________________________________________
Oila: _________________________________________________________________________
3. To’garak og’izlilar vakillarining o’zaro o’xshashlik va farq qiluvchi belgilarni ko’rsating:
Minogalar
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Miksinalar
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Farqli belgilari
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1.
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2.
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3.
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4.
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5.
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4. To’garak og’izlilar vakillarining o’zbekcha nomlarini yozing:
Lampetra fluviatilis –
Lampetra planeri –
Petremyzon marinus –
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Caspiomyzon wagneri –
Myxine glutinosa –
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Do'stlaringiz bilan baham: |