Examlex
Which of the following is derived from ectoderm?
Conservation
is the act of protecting natural resources and the environment to sustain biodiversity and prevent depletion.
Preoperational
A stage in Piaget's theory of cognitive development where children from ages 2 to 7 engage in symbolic play and struggle with logic and taking the perspective of others.
Decentering
The cognitive ability to consider multiple aspects of a situation or to take another person's perspective, moving beyond self-centric views.
Concrete Operations
A stage in Piaget's theory of cognitive development during which children acquire the ability to think logically about concrete objects and events.
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