Primary succession is when things that grow on rocks and don't need soil, like lichen, break down the rocks and turn them into soil. Then things that grow on soil can grow, like algae and fungus and firther break down the soil.
The successional stages would be larger organisms like plants and animals.
I think the answer is Quartz
Answer: its a model describing features of a cells plasma membrane.
Is your answer.
Explanation: //Give thanks(and or Brainliest) if helpful (≧▽≦)//
