Author Question: The _____ principle refers to the fact that, with development, humans tend to become more ... (Read 75 times)

D2AR0N

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The _____ principle refers to the fact that, with development, humans tend to become more differentiated and show greater hierarchical integration.
 
  Fill in the blank(s) with correct word

Question 2

The fact that the ability to control one's head develops before the ability to control one's legs illustrates the _____ principle.
 
  Fill in the blank(s) with correct word



chreslie

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Answer to Question 1

orthogenetic

Answer to Question 2

cephalocaudal



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