Examlex
Instead of being isolated by pure culture, SAR11 was discovered when researchers analyzed the gene sequences contained within seawater samples.
Formal-Operations Stage
The fourth and final stage of Jean Piaget's theory of cognitive development, occurring from age 12 onwards, characterized by the ability to think abstractly and reason logically.
Oral Stage
A phase in Freud's psychosexual development theory during infancy where the mouth is the primary source of pleasure and exploration.
Genital Stage
The final stage of Freud's psychosexual development where healthy sexual development is characterized by the strong sexual interest in the opposite sex.
Gestalt Psychologists
Psychologists who emphasize that the whole of anything is greater than its parts and are known for their work on perception and problem-solving.
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