Phosphate and sugar I think is what makes them up .
Answer:
cells have many structures in them which can also be called organelles
Explanation:
these organelles are like the organs of humans
each organelles have their own function
they help the cell to stay alive
Answer:
Cellular respiration, which generates ATP in your cells, requires oxygen to take place, also, it generates CO2 as a waste product. The respiratory system allows oxygen to diffuse into your blood, and carbon dioxide to diffuse out. The blood then carries the oxygen to the cells, so cellular respiration to continue. When the blood reaches the cells, it also takes the carbon dioxide out of the cells, and carries it to the lungs to get rid of it.
3 is parasitism, 2 is mutualism, and 1 is commensalism.
Explanation:
three new organisms ,x,y and z were discovered by a group of zoologists they observed that organisms x and y depend on organisms z for food . organisms z does not depend on oraganisms for food . oraganisms x is the . only one that can move on its own
