17.Consider the following differences between primary and secondary succession: While primary succession occurs in areas where no life has existed, secondary succession occurs in areas where a previously existing community has been removed While soil is absent at the time of beginning of primary succession, soil is present in areas where secondary succession begins Which of the above statements is/are correct? [A] 1 Only [B] 2 Only [C] Both 1 & 2 [D] Neither 1 nor 2 Show Answer
In primary succession, newly exposed or newly formed rock is colonized by living things for the first time. In secondary succession, an area that was previously occupied by living things is disturbed, then re-colonized following the disturbance.