Characteristics that depend on the level of organization of matter and do not exist at lower levels are called

What came first the elephent or the crocodile

Me with these questions if you’re it sure don’t answer

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration