An Archaean Organism Adapts to Rising Temperatures Within Its Environment

An archaean organism adapts to rising temperatures within its environment by: (Select all that apply)

A) increasing sterol concentrations within its lipid membrane
B) decreasing sterol concentrations within its lipid membrane
C) increasing the number of unsaturated isoprenoids within its lipid membrane
D) increasing the number of saturated isoprenoids within its lipid membrane
E) increasing hopanoid concentrations within its lipid membrane