During an ecological succession, many changes occur. Select the wrong statement with respect to succession.

(i)   Some species colonise and some species disappear

(ii)  Diversity will not change during succession.

(iii)  The total biomass increases.

(iv)   The species number increases.

• A

  (i) and (ii)

• B

  only (iii)

• C

  only (ii)

• D

  (iii) and (i)