With the drying trend of 16 to 11 million years ago, the area called the __________ expanded in Africa.
A) desert
B) rain forest
C) savanna
D) bush
C) savanna
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Some researchers link Homo sapiens' increased brain size to a decrease in the size of the __________
a. legs b. braincase c. gastro-intestinal tract d. upper body
All of the following can provide archaeological evidence of class stratification within burials except:
a. rate of organic decay in a particular body. b. amount of grave goods included in the burial. c. position and mode of body. d. nutritional status of the skeleton. e. size of the burial pit or chamber.
Once proposed, a hypothesis may be tested by:
A. comparing it to known data gathered from nature B. conducting an experiment C. comparing one phenomenon with another to determine the relationships between them D. all of these
What are some of the major principles and facts about genetics that have been discovered since Mendel's time?
What will be an ideal response?