The early symptoms of rabies generally begin
A. 1 day after viral entry.
B. 1-2 months after viral entry.
C. 6 months after viral entry.
D. 1 year after viral entry.
B
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What will be an ideal response?
The simplest eye structure, which is able to perceive light but not form an image, is called a
a. compound eye. b. single-lens eye. c. ocellus. d. ommatidia. e. photoreceptor.
The respiratory quotient is calculated as the
A) sum of the volume of oxygen consumed and the volume of carbon dioxide produced. B) product of the volume of oxygen consumed and the volume of carbon dioxide produced. C) ratio of the volume of oxygen consumed per volume of carbon dioxide produced. D) product of the volume of carbon dioxide consumed and the volume of oxygen produced. E) ratio of the volume of carbon dioxide produced per volume of oxygen consumed.
Which is NOT a benefit of the understanding of evolution to understanding the field of biology?
A) Understanding evolution helps us to understand molecules. B) Understanding evolution helps us to analyze ecosystems. C) Understanding evolution helps advance biotechnology and medicine. D) Understanding evolution helps us to understand why stars and galaxies change over time.