ഒരു ആവാസവ്യവസ്ഥയിലെ ഓർഗാനിക് തന്മാത്രകളുടെ രാസ ഊർജ്ജമായി പ്രകാശ ഊർജ്ജം പരിവർത്തനം ചെയ്യുന്ന നിരക്ക് ആണ് .....
Aനെറ്റ് പ്രാഥമിക ഉത്പാദനക്ഷമത
Bമൊത്ത പ്രാഥമിക ഉത്പാദനക്ഷമത
Cദ്വിതീയ ഉൽപ്പാദനക്ഷമത
Dമൊത്ത ദ്വിതീയ ഉൽപ്പാദനക്ഷമത.
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Related Questions:
Which of the following is a sub-type of 'Montane temperate forest'?
Which of the following statements accurately describes wetlands?
- Wetlands are areas that are permanently or periodically covered by water.
- Wetlands can only be natural formations and cannot be artificial.
- The water in wetlands can be fresh, brackish, or saline.
- Wetlands are defined as lands saturated with water up to a depth of 10 meters.
The Amazon River is classified under which type of freshwater ecosystem?
Regarding nutrient cycling, which of the following statements is/are correct?
- Nutrient cycling involves the entry of nutrients into ecosystems.
- Internal transfers of nutrients between plants and soils are part of nutrient cycling.
- Loss of nutrients from ecosystems is not considered a component of nutrient cycling.
Which of the following statements about global forest cover in 2020 is accurate?
- Forests constituted approximately 31 percent of the Earth's land surface in 2020.
- The majority of the world's forests are located in temperate climatic domains.
- North America holds the largest portion of global forest area.
- Subtropical regions have a larger forest cover than tropical regions.