Areas especially rich in plant species that are found nowhere else and are in great danger of extinction are called ____.
A. biodiversity friendly
B. natural ecosystems
C. emergency hotspots
D. biodiversity hotspots
E. liferaft ecosystems
Answer: D
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The accompanying graph shows the number of Atlantic hurricanes since the 1880's. Based on when most global warming has occurred, one would conclude
A. all hurricanes have increased in frequency. B. no trends are apparent from this graph. C. short duration hurricanes have increased in frequency. D. moderate duration hurricanes have increased in frequency.
What force must be overcome in order for mass wasting to occur in most cases?
A. Friction B. Saturation C. Slope
In general, funding for recovery programs is given to species that are
A. In most danger B. Most well known C. Most important D. Most numerous E. Keystone species
Which of the following is NOT true about periodic markets around the globe?
A) In Africa, markets occur every 3 to 7 days based on ethnic differences. B) Korean periodic markets are timed with the lunar cycle. C) China's periodic markets are timed to fit 3 10-day cycles in a lunar month. D) Muslim markets operate every day of the week. E) Chinese markets operate within a 3-city arrangement of which one is the central market.