How can we classify phytoplankton within a food web?
a. decomposer d. secondary consumer
b. primary consumer e. secondary producer
c. primary producer
C
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Given that urban populations are growing at twice the general population growth-rate, it is likely that
A) urban areas have low unemployment. B) urban areas have adequate housing. C) there is a net movement of people from rural areas to urban areas. D) people live better lives in urban areas than in rural areas.
Identify the twelve world regions that are covered in your textbook. Why have the authors of your textbook identified these specific regions?
What will be an ideal response?
Why do isotherms shift north and south from season to season?
What will be an ideal response?
Which of the following is not important in shaping ocean currents?
A) the frictional drag of winds B) the Coriolis force and water density differences C) land-sea breezes D) configuration of continents and the ocean floor