[Solved] Hotels classified by level of service would include: A)city, resort, airport and freeway B)luxury, all-suite, economy and budget C)full-service, mid-scale, extended stay and limited service D)spa, convention, casino and B&B Sexual Orientation: A persistent attraction pattern that is emotional, romantic, or sexual towards men, women, both, neither, or a different gender. Natural Selection: A process in evolutionary biology where organisms with traits better suited to their environment are more likely to survive and reproduce, thus passing those traits on to future generations. Erotic Plasticity: The degree to which an individual's sex drive, sexual preferences, and sexual identity can change throughout their lifetime. Evolutionary Psychology: A theoretical approach in psychology that explains human thoughts and behaviors in terms of natural selection and adaptation.