The diagram below depicts three phylogenetic trees. Which of the two show the same sister group relationships among groups A, B, and C?
A. 1 and 2 are equivalent.
B. 2 and 3 are equivalent.
C. 1 and 3 are equivalent.
D. All 3 are equivalent.
E. All 3 are differentâ€"no two are equivalent.
A
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Among vertebrate animals, urea is _____
A) made in the kidneys and immediately excreted B) added to the air in the lungs to be exhaled, along with carbon dioxide C) made in the liver by combining two ammonia molecules with one carbon dioxide D) made in the pancreas and added to the intestinal contents, along with bile salts, for excretion E) rarely the nitrogenous waste
The bacteria primarily responsible for dental caries is Streptococcus mutans
Indicate whether this statement is TRUE or FALSE.
Colonization of the body is inhibited by
A. the shedding of skin cells. B. the movement of mucus by cilia. C. peristalsis. D. the flushing action of the urinary tract. E. All of the choices are correct.
The enzyme produced by the pancreas for the digestion of proteins is
What will be an ideal response?