The Environmental Protection Agency
a. regulates the agricultural application of
chemicals.
b. has called for further study on the effects of
atrazine on amphibians.
c. now encourages farmers to minimize the runoff
of atrazine-laden water from fields.
d. does all of these.
e. does none of these.
Answer: d
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What will be an ideal response?
Which of the following yeasts is not pathogenic to humans?
A. Saccharomyces B. Cryptococcus C. Candida D. Saccharomyces and Cryptococcus
Which of the examples below are polymorphic traits? Select all that apply.
_____ Hair loss in malnourished, captive chimpanzees. _____ A population of lilies that contains equal proportions of both blue and white flowering individuals. _____ The A, B, and O blood types found in humans. _____ Lactose tolerance and intolerance in humans. _____ The change from white coat in winter to brown coat in summer in Arctic fox populations.
Today we are living in one of the ____ periods of Earth’s history, but global climate change is occurring much ____
than ever before.
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