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>
They are found in bacteria and eukaryotes is false
Answer:
Explanation:
The food eaten by the chicks goes up by 2.5 each time. I believe the independent variable is the number of days and the independent variable is the food given to the chicks.
0.25 <span>nicely enable me merely whip out the ole McDougal Littell Earth technological information e book I even have in my closet o wait, maximum folk answering this don't have your textbook the questions could be helpful</span>
