The group way of life characteristic of humans may be traced to____________?
Correct answer: B. the fact that human infants are helpless for a long period of time
- A. our human ancestors way of life in trees
- B. the fact that human infants are helpless for a long period of time
- C. a faulty genetic development
- D. the small size of humans relative to other animals
Explanation
Human infants depend on adults for many years, so cooperation and group living improve their chances of survival and development. The other choices do not provide as strong a biological basis for the human group way of life.
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