Q:

What is the correct sequence of succession in a six-meter deep pond?

• 1
  submerged plant → shrub → herb → floating plant → shrub → tree
• 2
  floating plant → submerged plant → reed → herb → shrub → tree
• 3
  Shrub → Tree → Submerged plant → Floating plant → Reed → Herb
• 4
  submerged plant → floating plant → reed → herb → shrub → tree ✔