Primary succession is when, for example, a volcano explodes and there is nothing left and even the soil is ruined. It would take at least a hundred years for the land to be like it was before the volcano erupted. Secondary succession is when, for example, a wild fire happens but the soil is not ruined. It would take at least 25-50 years for the land to be like it was before the fire.
Embryo should be the answer
If the pacific ocean was rimmed by the ring of fire we can conclude that the plate boundaries are constantly moving
C the trait is passed on genetically to the next generation
