Respuesta :

Answer:

   Succession is a series of progressive changes in the composition of an ecological community over time.

   In primary succession, newly exposed or newly formed rock is colonized by living things for the first time.

   In secondary succession, an area previously occupied by living things is disturbed—disrupted—then recolonized following the disturbance.

Explanation:

Answer:

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Explanation:

Primary succession is one of two types of biological and ecological succession of plant life, occurring in an environment in which new substrate devoid of vegetation and other organisms usually lacking soil, such as a lava flow or area left from retreated glacier, is deposited. In other words, it is the gradual growth of an ecosystem over a longer period of time.