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(a) Comment on the pattern in which all communities undergo a change in compositon and structure with changnging environmental conditions.

(b) Explain ' Climax community' and 'sere'.

(c) Differenitiate between primary and secondary sucession with examples.

 

 

 

 
 
 
 
 

Answers (1)

(a) Orderly and sequential changes parallel with changes in physical environment.

(b) Climax community - Changes finally lead to community  that in eqilibrium with the environment.

Sere - The entire squence of communities that successively chnage in a given area.

(c) Primary succession

    (i) Occurs in newly cooled lava, bare rock, newly created pond.

    (ii) Slow process

Secondary succession

    (i) Occurs in abandoned, destoryed forest.

    (ii) Fast process

 

Posted by

Priyanka Kumari

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