Pioneer community in the lithosere is ...............

Explanation

**Step-by-Step Solution:**

1. **Understanding Pioneer Community**: The pioneer community refers to the first group of organisms that colonize a barren or disturbed environment. These organisms are crucial for initiating ecological succession.

2. **Defining Lithosere**: Lithosere is a type of ecological succession that occurs on bare rocks. The term "lithos" means rock, indicating that this succession begins in rocky environments where soil is not initially present.

3. **Identifying the Pioneer Species**: In lithosere, the pioneer species are typically lichens. Lichens are symbiotic associations between fungi and algae or cyanobacteria. They can survive in harsh conditions, including bare rocks, where other organisms cannot.

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