Pioneer species survive by living on rocks and minerals

true of false

It is absolutely true that pioneer species can survive on rocks and minerals. They can survive without the presence of any soil. The pioneer species produce the food they require by the process of photosynthesis. They absorb the rain water and salt through their whole body surface. These species are hardy enough to survive any kind of harsh weather condition. The pioneer species are made to survive real harsh climates where other species can hardly survive for a single day.