Which is the primary method of obtaining water by desert-dwelling kangaroo rats?
A. the seeds they eat
B. directly from streams
C. from abandoned wells
D. absorb moisture through their skin
Answer: B
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Which of the features on this aerial photograph is a point bar?
A) A
B) B
C) C
D) D
What sort of instrument is used to determine the parent-daughter ratio of isotopes, and what does it
measure? What will be an ideal response?
Richard Florida's research identified a relationship between the distribution of
A) talent and cultural diversity. B) central places. C) talent and economic prosperity. D) rural and urban settlements. E) business and consumer services.
Which of the following best describes the role of autotrophic (self-feeding) organisms in ecosystems?
A) They produce their own organic molecules, which can be broken down for energy. B)They consume other organisms for energy. C) Without heterotrophs, there would be no autotrophs. D) They produce their own inorganic molecules, which can be broken down for energy.