What did Darwin suggest the driving force of evolution was?
A) Reproduction
B) Small genetic variation
C) Isolation
D) Large population size
C
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Explain how the "T" in the IPAT model can be either beneficial or harmful.
What will be an ideal response?
Describe the data for atmospheric CO2 . What are the significant sources and sinks for atmospheric CO2? Why can CO2 be called "the atmosphere's control knobs"?
What will be an ideal response?
Which of the following conditions is likely associated with a country breeze?
A. a large high pressure area that forms over a city B. a hot, humid, summer day in a large city C. a period of heavy rain that falls over a city D. a strong urban heat island
Because prairie dogs have a major effect on the ecological functioning of their habitat and the health of other members of their community, they are considered to be
A. an indicator species. B. a flagship species. C. a keystone species. D. an umbrella species.