Which of the following is an example of primary succession?

wetland regrowth after a severe storm.

forest regrowth after an ice storm.

plant development on a layer of rock deposits.

an abandoned farm becoming a meadow.

Plant development on a layer of rock deposits.

Explanation:

An ecological succession involves a series of changes in the biotic community of the ecosystem with respect to the changes occurring in the abiotic or non-living factors in due coarse of time until the ecosystem attains stability. A primary succession occurs in a region which was not previously occupied by any living species, as initially the conditions for supporting the life on the region are not favorable. It occurs in a region of retreating glacier or the region affected by volcanic eruption.

Plant development on a layer of rock deposits is the example of primary succession this is because of the fact that the conditions needs to be favorable for the growth of the plants. The rock layer should required to be disintegrated so that the plants can grow over the fine grains of soils. Some primitive plants like lichens and mosses initially perform such function to make the rock layer suitable for the growth of the plants.

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