Sulfolobus are archaea that are commonly found in geothermal environments, with an optimum growth temperature of about 80°C. What feature allows archaea to thrive at such temperatures?
A. Archaea use the heat from their environment to produce ATP.
B. Archaeal membranes contain special lipids.
C. Archaea have two cell walls which helps prevent heat absorption.
D. Archaea are highly adaptable to changing environmental temperatures.
Answer: B
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