Amphibian and most reptiles have ____
a. a two-chambered heart with two blood flow circuits
b. a three-chambered heart with two blood flow circuits
c. a four-chambered heart with two blood flow circuits
d. a three-chambered heart with one blood flow circuit
e. a two-chambered heart with one blood flow circuit
ANSWER: b
You might also like to view...
Medically important bacteria are often
A. grown on agar containing blood. B. grown at 37?C. C. grown on agar containing chocolate. D. grown at a pH of 5. E. grown on agar containing blood AND grown at 37?C.
Which of the following is NOT a political/societal reason for a decrease in rates of childhood immunizations?
A. Distrust of the healthcare body administering the vaccinations B. Distrust of the government funding the vaccination process C. A lack of a proper "cold chain" for stable transport of vaccines into tropical areas D. Distrust of the scientific community advocating for administration of vaccines
A competitive plant growing in wet conditions would be predicted to have
A) a larger root system. B) high tolerance to water stress. C) low metabolic rate. D) many leaves and stems.
What role do capsules and protein A play as virulence factors of Staphylococcus aureus?
A) lyse red blood cells B) protect the bacterium from phagocytosis C) protect the bacterium from neutrophils D) form blood clots E) break down blood clots