The Panamanian golden frog is in decline because of ________, which are being driven by ________.
A. introduced species; increased global trade
B. outbreaks of a fungus; deforestation
C. outbreaks of a fungus; global climate change
D. outbreaks of a virus; global climate change
E. outbreaks of a virus; deforestation
Answer: C
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Which of the following relationships about nucleotide composition in DNA is TRUE?
A. C G=A T. B. C A=G T. C. C=A. D. G=T. E. C=T.
Indifferent gonads develop
A) during the first two weeks of prenatal development. B) during the fifth week of prenatal development. C) during the ninth week of prenatal development. D) when the embryo becomes a fetus.
Which of the following statements regarding erhlichiosis is incorrect?
A. The disease vector is transmitted by Ixodes ticks. B. Symptoms include fever, headache, and muscle pains. C. Treatment requires an extensive course of antibiotics, usually 3-6 weeks. D. It often coinfects with Borrelia burgdorferi. E. The disease is diagnosed by PCR or indirect fluorescent antibody tests.
Cloudy urine would indicate which of the following?
A) water imbalance B) too much protein in the diet C) bacteria in the urinary system D) low pH