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?
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
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?
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.