Human cultural evolution is generally divided into three stages. Explain how each has affected Earth. What will be an ideal response?
Concepts to Consider: Hunter-gatherer societies were nomadic; humans existed in small
populations; the importance of hunting declined about 15,000 years ago; impact on the
environment was minimal, although it may have included impacts on large mammals. The
development of agriculture began approximately 10,000 years ago; plants were cultivated
first, then animals were domesticated; agriculture lead to the development of more complex
societies; the impact on the environment grew as population numbers increased. The
Industrial Revolution was marked by an increase in urbanization, manufacturing, population
growth, and disruption and degradation of the environment.
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Most SIDS deaths in the United States occur ____________
Fill in the blank(s) with the appropriate word(s).
During glycolysis, glucose is broken down into
A. acetyl CoA. B. NADH. C. pyruvate. D. oxygen. E. ATP.
The initial circumstance that led some to believe that Abraham Lincoln had Marfan syndrome was that ____ had the disease
a. one of Lincoln's descendants b. Lincoln's sister c. a descendent of Lincoln's great-great-grandfather d. DNA analysis on Lincoln's skull determined that he e. Photographs of Lincoln provided physical evidence that he
All of the following statements about the periplasmic space are true except ________.
A. a minimal periplasmic space may be observed between the plasma membrane and the peptidoglycan in some Gram-positive bacteria B. it is located between the plasma membrane and outer membrane of Gram-negative bacteria C. it is found only in Gram-positive bacteria D. it contains hydrolytic enzymes and binding proteins involved in nutrient acquisition