A grade-school child thinks of the U.S. flag as an attractive pattern and also as a way to represent the country. This demonstrates the principle called

Unlike earlier hominids, Homo sapiens had ______________

a. much heavier and thicker bones b. smaller teeth and jaws c. a slightly smaller brain d. a narrower pelvis among females and a larger pelvis among males

According to Vygotsky, __________ is central to cognitive development

Fill in the blanks with correct word