What do organisms depend on? Biology Input and Output The Need for Exchange in Organisms 1 Answer Suryin =) Jan 29, 2017 FOOD Answer link Related questions What is the need for gas exchange in organisms? What is the transport system of the human body? Do blood cells have nuclei? What are two functions of Red Blood Cells? What is the function of red blood cells? Where are old red blood cells destroyed? Why do red blood cells have no nucleus? Is DNA found in red blood cells? How do red blood cells reproduce? What are the functions of human red blood cells? See all questions in The Need for Exchange in Organisms Impact of this question 1590 views around the world You can reuse this answer Creative Commons License