The three species of early hominins known from South Africa are:
A. A. africanus, A. afarensis, and A. sediba
B. A. africanus, P. robustus, and A. sediba
C. A. africanus, P. boisei, and P. robustus
D. A. afarensis, P. robustus., and A. garhi
B. A. africanus, P. robustus, and A. sediba
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It appears the world's population growth has:
a. increased due to decreases in income and education. b. not been a problem since the advent of agriculture. c. increased due to the decline in mortality rates of children. d. decreased due to increases in income and education. e. increased due to the use of antibiotics.
Chimpanzees have been observed administering medicinal plants to each other, especially mothers to infants
a. True b. False Indicate whether the statement is true or false
Physiological responses not under voluntary control are called
a. instinctual. b. symbolic. c. autonomic. d. ritualized. e. genetically determined.
All of the following are examples of amicable behaviors EXCEPT
a. touching. b. grooming. c. hand holding. d. hugging. e. crouching.