Archaea often live in nutrient-poor environments. In order to ensure survival, they must ________.
A. accumulate nutrients inside the cell at higher concentrations than the external environment, which requires active transport mechanisms
B. develop metabolic pathways to synthesize their own nutrients using cytoplasmic molecules
C. acquire nutrients inside the cell at lower concentrations than the external environment, which requires passive transport mechanisms
D. transport nutrients to the outside of the cell by facilitated diffusion
Answer: A
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