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.
Answer:
cellular respiration
Explanation:
100% sure photosynthesis is for plants
B. Gases because it increase by less
The second one
One gene for a particular trait
I believe that phytoplankton is necessary to begin a food web
