Why Are Some Long-Term Acclimatizations Difficult to Distinguish from Adaptations

Multiple Choice

Why are some long-term acclimatizations difficult to distinguish from adaptations?

A) Acclimatizations may persist even after the individual moves to another environment.
B) After a while, acclimatizations become programmed in the genes.
C) Acclimatizations are biologically almost identical to adaptations.
D) Both acclimatization and genetic adaptations are overrun by cultural adaptation over time.