Mavzu bo’yicha boshlang’ich bilimni tekshirish
Kirish testlarini ishlang:
1. Sut emizuvchilar tanasi nima bilan qoplangan? A-yalong’och, B-tangacha bilan, V-jun bilan, G-pat va parlar bilan.
2. Sut emizuvchilarda boshqa hayvonlarda uchramaydigan qanday tashqi sezgi organi bor? A-vibrissalar, B-teri orqali sezish, V-tuyoq, G-quloq.
3. Yirtqichlarning qaysi tishi yaxshi rivojlangan? A-kurak, B-qoziq, V-soxta oziq, G-oziq.
4. Qaysi sut emizuvchilarning oshqozoni 4 bo’lmali? A-kavsh qaytaruvchilarning, B-toq tuyoqlilarning, V-kemiruvchilarning, G-juft tuyoqlilarning.
5. Ko’zlari reduktsiyalangan, juni orqaga qayrilgan, oyoqlari tirnoqlari kuchli taraqqiy etgan kabi belgilar qaysi sut emizuvchilarga tegishli? A-suvda yashovchi, B-yer ostida yashovchi, V-daraxtda yashovchi, G-yer ustida yashovchi.
Yozma va rasmli topshiriqlarni bajarish
Quyidagi topshiriqlarni bajaring:
1. Sut emizuvchilar terisi qismlarini raqamlarga mos holda yozing.
|
1._____________________________
2._____________________________
3._____________________________
4._____________________________
5._____________________________
6._____________________________
7._____________________________
8._____________________________
9._____________________________
10.____________________________
11.____________________________
|
2. Muhit sharoitiga moslanishiga ko’ra sut emizuvchilarning guruhlarini ko’rsating:
1. ___________________________________________________________________________
2. ___________________________________________________________________________
3. ___________________________________________________________________________
4. ___________________________________________________________________________
5. ___________________________________________________________________________
3. Daraxtda va suvda yashovchi sut emizuvchilar nomini raqamlarga mos holda yozing.
|
1.__________________________
2.__________________________
3.__________________________
Daraxt muhitiga moslashuv belgilarni ko’rsating
a)__________________________
b)_________________________
v)_________________________
g)_________________________
4.__________________________
5.__________________________
Suv muhitiga moslashuv belgilarni ko’rsating
a)__________________________
b)_________________________
v)_________________________
g)___________________________
|
4. Yer ustida va yer ostida yashovchi sutemizuvchilar nomini raqamlarga mos holda yozing.
|
1.____________________________
2.____________________________
3.____________________________
4.____________________________
5.____________________________
Yer usti muhitiga moslashuv belgilarni ko’rsating
a)___________________________
b)___________________________
v)___________________________
g)___________________________
6.____________________________
7.____________________________
Yer osti muhitiga moslashuv belgilarni ko’rsating
a)___________________________
b)___________________________
v)___________________________
g)___________________________
|
Do'stlaringiz bilan baham: |