Examlex
The presence of circular DNA in mitochondria and chloroplasts suggests that these organelles evolved from ____.
Sensorimotor Substage
A phase within Piaget's sensorimotor stage of development where infants use their senses and motor abilities to understand the world.
Secondary Circular Reactions
A developmental stage in infants from about 4 to 8 months characterized by intentional repetition of actions that produce effects on the environment.
Tertiary Circular Reactions
A stage in Piaget’s theory of cognitive development where toddlers (around 12 to 18 months) experiment with new actions to see the outcomes, demonstrating an early form of problem-solving.
Mental Representations
Internal cognitive symbols that represent external reality, which are used in the process of thinking and understanding the world.
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