Homo erectus skulls feature a __________, a thick ridge that runs along the back of the parietal bone
a. angular torus
b. occipital torus
c. sagital keel
d. metopic keel
Answer a
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The classification of extant (living) species is much more difficult than the classification of extinct species
Indicate whether the statement is true or false.
Live capture and illegal trade in endangered primate species has been stopped in China and Southeast Asia
a. True b. False Indicate whether the statement is true or false
Although the incest taboo is a cultural universal, cultures define incest differently. For example, in many cultures it is incestuous to marry parallel cousins but not cross cousins. What is the difference?
A. The children of two brothers or two sisters are parallel cousins. The children of a brother and a sister are cross cousins. B. Parallel cousins are socially recognized relatives, but cross cousins are true biological cousins. C. The children of a brother and a sister are parallel cousins. The children of two brothers or two sisters are cross cousins. D. Parallel cousins are true biological cousins, whereas cross cousins are simply socially recognized relatives. E. There is no symbolic difference between the two, only a biological difference.
Which of the following is the best plan of action for a light-skinned woman of childbearing age living in the tropics and concerned about giving birth to a child with neural tube defects (NTDs)?
A. using a tanning booth to give her skin accelerated protection against the sun B. taking vitamin D supplements C. drinking plenty of fluids to boost her body's ability to regulate its own temperature D. doing nothing, since a woman's chance of giving birth to a child with NTDs is genetically determined E. taking folic acid/folate supplements and protecting herself against the sun with sunscreen, clothing, and shelter