Unicellular and simple multicellular organisms isolate and eliminate waste materials by:
a. filtering the wastes into a collecting tubule and then selectively reabsorbing key solutes before excretion.
b. filtering the wastes through specialized filters in the plasma membrane and into the extracellular space.
c. secreting wastes into excretory tubules that connect to the outside of the cell.
d. moving the wastes into a contractile vacuole and eliminating them through exocytosis.
e. All of these choices are correct.
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Unicellular and simple multicellular organisms isolate and eliminate waste materials by:
a. f...
a. f...
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