(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.
(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