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NTA Abhyas NEET2020BotanyEcosystemPractice

Which is CORRECT order of seral stages in hydrach?

Options

  1. APhytoplankton-Rooted submerged stage-Rooted free floating plant-reed swamp stage-marsh meadow stage-scrub stag
  2. BScrub stages-forest-reed swamp stage-marsh meadow stage-submerged free floating plant stage-submerged plant-ph
  3. CSubmerged plant-marsh meadow stage-scrub stages-forest-phytoplankton-submerged free floating plant stage-reed
  4. DPhytoplankton-red swamp stage-scrub stages-forest-submerged plant-submerged free floating plant stage-marsh me

Correct answer

A. Phytoplankton-Rooted submerged stage-Rooted free floating plant-reed swamp stage-marsh meadow stage-scrub stag

Step-by-step solution

Ecological succession is defined as the process of gradual and predictable change in the species composition of an area. Primary succession occurs in those areas where no organism ever existed whereas secondary succession takes place in those areas where organisms once existed but now have lost them due to some reason. In Primary succession of wet land into forest the first to appear are the phytoplanktons. They are replaced by submerged plants and later submerged and floating plants both appear. Gradually it passe

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