Describe the pattern of human brain growth. What is the importance of delayed brain growth in humans?
What will be an ideal response?
At birth the brain is 25 percent of its adult size and 50 percent by 6 months. Delayed brain growth
is possibly caused by high metabolic needs and the inability of the mother's body to keep up with
the demands of a larger brain. In addition, the birth canal is restricted in size.
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__________ theorized that long-distance trade led to the state.
A) Ember and Ember B) Sapir and Whorf C) Carneiro and Harris D) Wright and Johnson
Compared with adult-directed speech, motherese is __________
a. slow, higher-pitched, and more repetitive b. short pauses, higher-pitched, and fast c. monotone with long utterances d. fast, low-pitched, with long pauses
The cranial capacity of Sahelanthropus is about:
A. 240-250 cubic centimeters B. 270-285 cubic centimeters C. 330-380 cubic centimeters D. 405-429 cubic centimeters
Foragers were generally the same regardless of where they lived
Indicate whether the statement is true or false