Examlex
Explain how a) twin studies, and b) adoption studies are used to determine the influence of heredity on a trait and discuss a potential flaw of each type of study.
Face
The front part of a person's head, from the forehead to the chin, which includes the eyes, nose, mouth, and expressions.
Charles Darwin
A 19th-century British naturalist known for his contributions to the theory of evolution and natural selection.
Emotional Expressions
The outward sign of feelings such as happiness, anger, or sadness, often involving facial movements, postures, and vocal changes.
Emotions
Intricate mental conditions characterized by physical arousal, explicit actions, and aware thoughts.
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