Concentrations of solutes are greatest in
A) springs.
B) rivers.
C) lakes.
D) oceans.
D
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Vertical evolution arises from
A. genetic mutations. B. gene duplication. C. exon shuffling. D. genetic mutations and gene duplication. E. genetic mutations, gene duplication and exon shuffling.
An atrioventricular valve would be located
a. between the left atrium and the left ventricle. b. between the right atrium and the right ventricle. c. where blood is entering the aorta. d. where blood is entering the pulmonary arteries. e. between the left atrium and the left ventricle, and between the right atrium and the right ventricle.
An ecologically friendly city that has housing, work, and schools located close to each other would decrease the requirement for
a. public transportation b. pedestrian traffic c. bikes d. cars e. electricity
If short hair (L) is dominant to long hair (l), then what fraction of the offspring produced by a cross of Ll ยด ll will be
homozygous dominant? a. 1/2 b. 1/4 c. 1/3 d. 0 e. 2/4