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McGraw-Hill Education
-The common ancestor that produced the most evolutionary recent derived characters is
Counted
The act of determining the total number of items or individuals in a set or group.
Blocks
In cognitive and developmental psychology, refers to mental or physical obstacles that hinder progress or understanding.
Formal Operational Stage
The fourth and final stage of Jean Piaget's theory of cognitive development, characterized by the ability to think abstractly, logically, and systematically.
Abstract Thinking
The ability to think about objects, principles, and ideas that are not physically present.
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