- Biological plasticity
- Adaptation
- Biological fitness
- Acclimatization: short-term, developmental
- Genetic adaptation
- Environmentally specific
- Bergmann’s Rule
- Allen’s Rule
- Ethnicity
- Ethnic group
- Situational negotiation of identity
- Race
- Social construct
- Race in Brazil
- Race in the U.S
- One-drop rule (Hypodescent rule)
- Eugenics