What advantages did bipedalism confer on our early human ancestors in the savannah environment?
What will be an ideal response?
It allowed them to cover long distances without tiring, to carry food in freed hands, to carry food to infants, to wield sticks and make tools, to be exposed to less solar radiation, and to better see predators.
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During which epoch did rifting begin to occur to the African landmass eventually resulting in the creation of the Great Rift Valley system?
a. Paleocene b. Eocene c. Oligocene d. Miocene e. Pliocene
Answer the following statements true (T) or false (F)
Watching a film of a theatrical event is the same as the live experience.
The Y chromosome
a. is found in both sexes: males have two, females have one. b. influences numerous characteristics in addition to sex determination. c. can be inherited from either parent. d. carries genes that cause the fetus to develop as a male. e. causes a fetus to develop as female if there are two present.
The cerebellum contains ________ than the cerebrum
a. more neurons b. fewer neurons c. more intelligence d. less intelligence