If a solution contains fewer hydrogen ions than hydroxide ions, the solution can be described as ________.
a. acidic
b. basic
c. neutral
d. both acidic and basic
b. basic
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Consider a population undergoing logistic growth. When (K-N)/K = 0, what does that imply about the birth rate (b) and death rate (d)?
A. b > d B. b < d C. b = d D. It is not possible to make an inference about b and d from this information.
Phenotypically identical bacteria
A. look the same. B. are genetically exactly the same. C. may be told apart by DNA sequence analysis. D. may not be told apart by any means. E. look the same AND may be told apart by DNA sequence analysis.
©McGraw-Hill EducationConsider the cladogram shown. Which pair of species shares the greatest number of derived characters (synapomorphies)?
A. 6 and 1 B. 4 and 2 C. 5 and 4 D. 6 and 2 E. 5 and 2
Transgenic plants have been modified for all of the following characteristics except:
A) nitrogen fixation. B) herbicide resistance. C) insect resistance. D) improved nutritional quality. E) reduced cost of production.