Which of the following diseases would be the easiest to control in a human population?
A) an infectious disease with wild animals as a reservoir
B) an infectious disease with humans as the only reservoir
C) an infectious disease with domestic cows as the only reservoir
D) an infectious disease with several possible reservoirs
Answer: C
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Which amino acid is most soluble in water?
A. Valine B. Glycine C. Leucine D. Serine
Clinal variation usually results from ____ between ____ populations that are each adapting to slightly different conditions
a. isolation; adjacent b. isolation; distant c. genetic drift; distant d. gene flow; adjacent e. genetic drift; adjacent
How can prokaryotes be considered to be more successful on earth than humans?
a. prokaryotes are much more numerous and have more biomass b. prokaryotes occupy more diverse habitats c. prokaryotes are more diverse in metabolism d. only b and c are correct e. a, b and c are correct
Imprinting is a form of ____.
A. innate response B. static pattern C. instinctive learning behavior D. unlearned behavior E. passive behavior