Use the following information to answer the following question below. Moss invades and establishes itself on bare rock, accumulating the beginnings of soil. After several years, enough soil has become established that grasses begin to grow where there was once bare rock. Without the moss building up soil, the grasses would have had no chance. The establishment of the mosses on bare rock and eventual addition of grasses represents intermediate succession. secondary succession. a climax ecosystem. primary succession.

Primary succession.

Explanation:

Ecological succession refers to the changes involved in the species structure of a community that is established in a particular habitat over time. The succession is of two types: the primary succession and secondary succession.

When the succession takes place on the barren land then succession is considered primary succession.

In the given question, the moss invades and colonizes the rocks and breaks them into the soil. Here the moss species is known as the pioneer species and since the moss grows on the barren rock, therefore, is considered the primary succession.

Thus, primary succession is correct.

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