Question

check for understanding
what types of organisms must first inhabit an area in primary succession?

Explanation:

In primary succession, the area is initially barren (e.g., bare rock, newly formed land). Pioneer species, typically lichens and mosses, must first inhabit the area. Lichens can secrete acids to break down rock, forming initial soil, and mosses can retain moisture and further build soil, creating conditions for other organisms to follow.

Answer:

In primary succession, pioneer species (typically lichens and mosses) must first inhabit the area.