Examlex
Charles Darwin was influenced by Thomas Malthus' theory of population that claimed that more individuals are born than can possibly survive and that thus there must be struggle for existence.
Development of Smiling
The process by which infants first begin to show expressions of joy and satisfaction through smiling, typically emerging around 6 to 8 weeks of age.
Critical Period
A specific time in development during which the presence or absence of certain experiences has a long-lasting influence on the individual.
Human Beings
Members of the species Homo sapiens, characterized by their capacity for complex language, abstract thinking, and social structures.
Attachment
A deep and enduring emotional bond that connects one person to another across time and space.
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