Explain the costs of bipedalism. How do these derive from the skeletal changes associated with the evolution of bipedalism?
What will be an ideal response?
1. Costs including strain on back, hips, knees and feet as well as circulatory difficulties
2. Skeletal changes in the skull and spine, pelvis, legs, and feet
3. Evolutionary trade-off between these costs and the benefits of bipedalism
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In villages in India, a group of people who control most of the land and may also be the numerical majority is referred to as __________
A) the primary group B) civil society C) the dominant caste D) jatis
Language and communication involve much more than just verbal speech. The study of communication through body movements, stances, gestures, and facial expressions is known as
A. linguistic physiology. B. protolinguistics. C. biosemantics. D. diglossia. E. kinesics.
Cities are just like towns except they have more population in their central urban areas
a. True b. False Indicate whether the statement is true or false
The risk of genetic defects among the offspring of first-cousin marriages is no higher than that of the general population
a. True b. False Indicate whether the statement is true or false