The transformation of humans from hunter-gatherer societies to agriculturally based ones occurred approximately
____.
a. 14,000 years ago
b. 11,000 years ago
c. 7,000 years ago
d. 1,500 years ago
e. 200 years ago
ANSWER: b
Biology & Microbiology
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A. temperate Grassland B. temperate Coniferous forest C. taiga D. savannah E. deciduous forest
Biology & Microbiology
The letter “B” in the above figure represents
a. transverse. b. radial. c. tangential. d. elliptical. e. obtuse.
Biology & Microbiology
The enzyme used by HIV that allows it to make DNA from RNA is
a. DNA ligase. b. helicase. c. restriction endonuclease. d. reverse transcriptase. e. cholinesterase.
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Refer to the accompanying figure. The structure labeled as 2 is homologous with the structure labeled as:
a. 1. b. 3. c. 4. d. 5. e. 7.
Biology & Microbiology