Chapter 26 - Some Major Ecosystem - 7


Biology Class 12
1. _______ Changes its temperature slower than air, so temperature in aquatic ecosystem is more moderate to support life.


Biology Class 12
2. The productivity of aquatic ecosystem is basically determined by the light and _______.


Biology Class 12
3. The lake ecosystem can be divided into three main _______.


Biology Class 12
4. The open water area is divided into two region, the upper _______ zone and lower profundal zone.


Biology Class 12
5. The mechanism of temperature regulation was developed by land plants and animals by developing _______ and skin respectively.


Biology Class 12
6. Temperate deciduous forests present in Pakistan in shogran and _______ valley.


Biology Class 12
7. The soil of temperate deciduous forests is _______ brown in colour.


Biology Class 12
8. Northern coniferous forests are also called _______.


Biology Class 12
9. _______ ecosystem are found in Gilgit, Kashmir, Waziristan, lower Chitral and North Kallat.


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