Examlex
Natural selection may have favored single births in so many primates because we evolved as tree-dwellers and could not effectively hold and protect more than one offspring.
Early Adulthood
A developmental stage ranging roughly from the ages of 20 to 40, where individuals reach physical peak and begin to establish their career and relationships.
Test-taking Ability
The capacity to perform well on exams, requiring skills such as understanding the material, effective studying, and managing anxiety.
Hidden Complexities
The underlying or not immediately apparent aspects of a situation, problem, or system that make it more complicated or challenging to understand.
Pondering Difficult
Engaging in deep or reflective thought about complex problems or challenging situations.
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