I think that is is Pollution
Independent of the conditions of the outside of the cell
I believe flagellates would be classified as heterotrophic protists With flagella. It's an animal-like protist.
Answer:
transporting oxygen and nutrients to the lungs and tissues. forming blood clots to prevent excess blood loss. carrying cells and antibodies that fight infection.
Explanation:
I dont remember much of biology but i do remember my teacher saying something about phosphate backbone, i know its not much help. sorry!!