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Embryo develops eyes, nose, toes, mouth, heart, and circulatory system.
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Babies' minds are blank that can be filled with experiences.
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Babies have a need to touch something soft such as skin or fur. This need is stronger than the need for food.
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Children can only see one aspect of a situation at a time.
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Children begin to show signs of thinking as adults. They can focus on 2 dimensions of a problem at a time.
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People in this stage think abstractly and they realize that ideas can be compared and classified mentally just as objects can. Starts at about puberty.