Question

what is this lichen an example of? climax soil biodiversity pioneer species

Explanation:

Lichen is a pioneer species. Pioneer species are the first organisms to colonize barren environments. Lichens can grow on bare rocks and break them down over time, contributing to soil formation. This makes them important in primary succession. Biodiversity refers to the variety of life in an area, which is not what lichen specifically represents here. Climax soil is related to the final stage of soil development in an ecosystem, which is not the case for lichen.

Answer:

pioneer species