Well depending on what the environmental change is the organisms will have to adapt, or move. if they don't they may not survive.
comment if you want an example or 2
A diet high in protein and low in calcium may lead to osteoporosis. This is because protein, especially albumin, binds free calcium in the blood preventing it to be act upon calcitonin and preventing it to deposit in the bones. Low calcium predisposes patients in osteoporosis as there will be no calcium to be deposited in the bones.
The answer is a) a rubber band
One way that bacteria and archaea is in the structure of the cell membranes.