Examlex
What provides oxygen transfer within the water to provide dissolved oxygen to fish?
Object Permanence
The understanding that objects continue to exist even when they cannot be perceived.
Sensorimotor Stage
The first of the four stages of cognitive development in Piaget's theory, occurring from birth to age 2, where infants learn about the world through their sensory impressions and motor activities.
Object Permanence
The understanding that objects continue to exist even when they cannot be observed (seen, heard, touched, smelled, or sensed in any way).
Conservation
The act of preserving, protecting, or restoring the natural environment and its wildlife.
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