Question

primary succession is the type of succession that occurs on bare rock with no soil. what organism can help turn rock into soil? lichen deer

Explanation:

In primary succession, lichens are pioneer species. They can secrete acids that break down rock, aiding in the formation of soil. Deer are consumers and do not contribute to rock - to - soil conversion. So the organism that helps turn rock into soil is lichen.

Answer:

Lichen