D) Atom... is the right option
They are prokaryotic cells....
Primary succession occurs in essentially lifeless areas—regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier
I think is D i hope this helps
Answer:
An earthquake
, a forest fire
, a hurricane and a volcanic eruption.
Explanation:
An earthquake
, a forest fire
, a hurricane and a volcanic eruption are the events that is responsible for the suitable conditions for primary succession because all the population of animals and vegetation are removed from an area and the new type of organisms is start to living in that new environment. These new organism has the ability to survive that environmental conditions. These events completely removed the population in the environment and provides conditions for primary succession.