Bipedal locomotion:
a. freed up hands for other activities such as using tools, carrying objects, and using weapons.
b. varied by species—some walked on hands, some walked on feet.
c. was present before the hominid period.
d. served no purpose.
A. This adaptation that developed in the hominid period allowed for tool use and other purposes using the hands.
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Maria and Thomas are preparing for the birth of their baby, and are trying to decide whether or not to breastfeed their new baby. Which of the following is NOT a reason for them to decide on breastfeeding?
a) breast milk contains all the nutrients necessary for growth b) breast milk offers some immunity to childhood diseases c) breast milk is cheaper than store-bought formula d) breast milk is more easily digested than cow's milk or formula