Order Instructions 1.There are several theories about why bipedalism evolved in humans, and the issue is not completely resolved. Discuss why you think bipedalism evolved in human ancestors, using evidence from the Lieberman chapter “Upstanding Apes.” (And feel free to propose your own new theories, if you have them!)   […]

Order Instructions 1. De Waal describes a scenario in which bonobos come to the assistance of another Bonobo, Kidogo, who has a heart condition. What are two theories de Waal describes concerning why this “helping” behavior may have evolved?   2. De Waal describes a scenario in which several chimps […]

Order Instructions 1.The film “Galapagos” showed that many Galapagos tortoises have a distinctive “saddle-shaped” shell. Describe a scenario that explains the evolution of the saddle-shaped shell using Lamarckian evolution. Then describe a scenario that explains the evolution of the saddle-shaped shell using Darwinian natural selection (remember to include all three […]