Cancer cells do not respond normally to the specialized proteins that control the cell cycle; they divide excessively and may invade other tissues of the body. a. True
b. False

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