Examlex
A new type of communication system has been discovered that consists of thin, highly elongated tubules capable of conducting cell-surface proteins, cytoplasmic vesicles and calcium signals from one cell to another. This system is referred to as ________.
Ages 2-7
Ages 2-7, in psychological development, typically refer to the preoperational stage in Piaget's theory of cognitive development, characterized by rapid language development and symbolic thinking.
Egocentrism
The inability to differentiate between one's own perspective and that of others, often seen in early childhood development.
Conservation
Understanding that certain properties of physical objects remain the same even when their outward appearance changes.
Concrete Operational Stage
A stage in Piaget's theory of cognitive development where children between ages 7 and 11 develop logical thinking but are not yet capable of abstract thought.
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