Biology

The correct answer is: B.Moss and lichen.

Moss and lichen are the types of organisms that typically grow on bare rock. These are known as pioneer species, and they are the first organisms to colonize an area where there is no soil, such as newly exposed rock after a volcanic eruption or glacier retreat.

Moss and lichen are well-adapted to survive in harsh conditions with little to no soil, and they help break down the rock into smaller particles, which gradually form soil. This process is an essential part of primary succession, where new ecosystems begin to form.

Why the other options are incorrect:

A.Grass: While grass is an e...