why was it important for plants 4 to 7 to be in separate pots and not in one big pot together if their root systems were connected? why was it important for plants 4 to 7 to be in separate pots and not in one big pot together if their root systems were connected? to ensure that communication signals would be passed through the roots alone, and not the shoots to ensure that only plants 5 to 7 could receive any communication signals produced by plant 4 to ensure that any effects in plants 5 to 7 were not due to their ability to sense dry soil around plant 4 to ensure that each plant had enough room for their roots to grow