NEET BIOLOGY

Detailed explanation-1: -Years later there is an appearance of small plants with rapidly spreading roots on newly formed coastal sand dunes. This vegetation describes-A a microhabitat.

Detailed explanation-2: -Primary succession can happen when bare sand is colonised by plants. Over time, the sand builds up into sand dunes, raising the ground above the height of sea level. Succession in sand dunes is sometimes called a psammosere.

Detailed explanation-3: -The 5 stages of Ecological Succession in successive order are-Nudation, Invasion, Competition and Co-action, Reaction, and Climax or Stabilization.

Detailed explanation-4: -Primary succession is a type of succession that occurs on a surface where no ecosystem existed before. Primary succession can occur on rocks, cliffs, and sand dunes. Primary succession on a bare rock.

Detailed explanation-5: -Secondary succession is usually faster than primary succession because soil and nutrients are already present due to ‘normalization’ by previous pioneer species, and because roots, seeds and other biotic organisms may still be present within the substrate.