How do you know when a boy likes you

Depending on the organism the number of in a cell may change

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

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