അറ്റ പ്രൈമറി ഉൽപ്പാദനത്തിന്റെ കാര്യത്തിൽ ഇനിപ്പറയുന്ന ആവാസവ്യവസ്ഥകളിൽ ഏതാണ് ഏറ്റവും ഉൽപ്പാദനക്ഷമതയുള്ളത്?
Aമരുഭൂമികൾ
Bഉഷ്ണമേഖലാ മഴക്കാടുകൾ
Cസമുദ്രങ്ങൾ
Dഅഴിമുഖങ്ങൾ
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താഴെ പറയുന്നവയിൽ ഏതാണ് ഒരു ജൈവ മലിനീകരണം?
What is the direction of energy flow in an ecosystem?
Choose the correct statements concerning autotrophs in an ecosystem.
- Autotrophs are also known as consumers because they feed on other organisms.
- Photosynthetic plants, possessing chlorophyll, synthesize high-energy organic compounds using sunlight.
- Certain autotrophs, like some bacteria, can synthesize food from chemical substances instead of sunlight.
- Autotrophs form the basis of all ecosystems.
Approximately how much fresh water, equivalent to rainfall, do rivers carry annually over the land surface?
Which statement best describes the precipitation patterns in the Atacama Desert?
- The Atacama Desert receives regular and significant rainfall throughout the year.
- Some weather stations in the Atacama Desert have never recorded any rainfall.
- Rainfall is common in the Atacama Desert, especially during the summer months.
- The Atacama Desert experiences high levels of precipitation due to its proximity to the ocean.