The high body temperature of birds and mammals is due to
A) the fur that insulates them.
B) their high metabolic rates.
C) the presence of sweat, scent, and sebaceous glands.
D) behaviors such as basking in the sun and seeking shade.
E) the exchange of gases and nutrients via the placenta.
B
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WASH initiatives are public health initiatives that address WAter, Sanitation, and Hygiene. Which of the following diseases would not be expected to show a decrease in prevalence following a successful WASH campaign?
A. Clostridium difficile infection B. Entamoeba infection C. Schistosomiasis D. Shigella infection E. Ascaris lumbricoides infection
Variations of homologous genes that result in differences in structure and function are
A) alleles. B) loci. C) autosomes. D) dominant. E) linked.
The (intestines/nasal cavities/lungs) are normally axenic
What will be an ideal response?
RNA is specifically produced in the:
A. Ribosomes B. DNA C. Nucleolus D. Chromatin