Which plant trait is least likely to deter herbivory?
a. Thorns
b. Rapid growth cycle
c. Tough leaves
d. Indigestible material in the bark of the plant
e. Toxins in the leaves
b
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Which of the following is(are) NOT a factor(s)
that explain(s) the area effect on island diversity? a. Larger islands have more habitats. b. Smaller islands have more varied and higher elevations. c. Larger islands intercept more colonizers. d. Smaller islands have less complex topography. e. None of these are factors
The simplest response an individual organism can make to a change in environmental conditions is to
A) remain still. B) move to a more suitable location. C) produce offspring that are better suited to the new conditions. D) reduce foraging activity.
Initiation of transcription requires:a
a promoter sequence. b. DNA polymerase. c. an RNA primer. d. a DNA primer. e. Okazaki fragments.
Bacteria that are used as biosensors
A) migrate to the hazardous chemical. B) do not emit light in the presence of a hazardous chemical. C) degrade hazardous chemicals. D) have chlorophyll. E) may use the lux operon.