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Q:

What is the correct sequence of plants in a hydrosphere?

  • 1
    Walut-Lantana-Serpes-Pistia-Hydrilla-Valvox
  • 2
    Valvox – Hydrilla – Pistia – Serpus – Lantana – Oak
  • 3
    Pistia Valvox Serpus Hydrilla – Acorn Latana
  • 4
    Oak – Lantana Valvox Hydrilla – Pistia – Serpus
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Answer : 3. "Pistia Valvox Serpus Hydrilla – Acorn Latana "
Explanation :

Sequence of communities during hydrarch succession are as follows: Phytoplankton stage (Volvox) → submerged plant stage (Hydrilla) → submerged free floating plant stage (Pistia) →reed-swamp stage (Scirpus) → marsh-meadow stage (Lantana) → woodland stage → climax forest (Oak).

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