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സമുദ്രം എന്ന ആവാസവ്യവസ്ഥയിലെ ഉല്പാദകരിൽ പ്രധാനപ്പെട്ടത്:

Aസൂഷ്മ ആൽഗകൾ

Bഡയറ്റം

Cഡയനോ ഫ്ലജലേറ്റുകൾ

Dപ്ലവ സസ്യങ്ങൾ

Answer:

D. പ്ലവ സസ്യങ്ങൾ

Read Explanation:

  • പ്ലവ സസ്യങ്ങൾ (Phytoplankton) ആണ് സമുദ്രത്തിന്റെ പ്രധാന ഉല്പാദകർ.

  • അവ ചെറിയ സസ്യങ്ങൾ (microscopic plants) ആയി, പ്രകാശസംശ്ലേഷണം (photosynthesis) പ്രക്രിയ വഴി ജലത്തിൽ ഊർജ്ജം ഉല്പാദിപ്പിക്കുകയും, ജലജീവികൾക്ക് ഭക്ഷണം നൽകുകയും ചെയ്യുന്നു.


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  1. Large hot deserts like the Sahara and Arabian deserts are found in the trade wind belt near sub-tropical high-pressure belts.
  2. These deserts are located under the ascending limb of the Hadley Cell, leading to increased condensation and precipitation.
  3. The descending limb of the Hadley Cell, which causes air to warm adiabatically and inhibits precipitation, is a key factor in their formation.
  4. Hot deserts are primarily formed due to extreme volcanic activity.

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    2. Summer and Winter
    3. Late Winter and Early Spring
    4. Late Summer and Early Winter

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