Answer:
The correct answer is b. it leads to an increased level of biodiversity.
Step-by-step explanation:
Ecological succession refers to the process by which an ecosystem changes or evolves over time. This means going from primary forms of life, such as weedy species, grasses or fungi to complex organisms that arrive over the decades, after the plant community develops, to the landscape. This process might take several years and, on the long run, makes the original environment more biodiverse. Eventually, the ecosystem becomes stable.