Ventilation systems are needed in a <span>multicellular organism to actually obtain oxygen and give out carbon dioxide. Without this ventilation system, it would be very difficult for multicellular organisms to survive. It has been also observed that surface diffusion is not enough for a multicellular organism to breath.</span>
It would decrease, because the producers are the source of food for the herbivores
<span>I think that the best initial approach to the client by the nurse would be to comfort and first assure the client that she's not there to hurt or harm the client in any way and that no one is judging (s)he and most important that this recommendation is only for the better and to help the client.</span>
Are there choices to choose from, because that is a very general question?
