Which of the following factors causes extremely high levels of toxic chemicals in fish-eating birds?

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#Question id: 3257

#Section 2: Evolution

Which of the following statements about evolution is NOT true?

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#Question id: 9579

#Section 1: Ecology

Allen’s rule states that,

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#Question id: 12318

#Section 1: Ecology

The evolution of mating systems is most likely affected by

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#Question id: 16897

#Section 3: Mathematics and Quantitative Ecology

In a report by ABC News, the headlines read “City Living Increases Men’s Death Risk” The headlines were based on a study of 3,617 adults who lived in the United States and were more than 25 years old. One researcher said, “Elevated levels of tumor deaths suggest the influence of physical, chemical and biological exposures in urban areas... Living in cities also involves potentially stressful levels of noise, sensory stimulation and overload, interpersonal relations and conflict, and vigilance against hazards ranging from crime to accidents.” Is a conclusion that living in an urban environment causes an increased risk of death justified?

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#Question id: 4717

#Section 2: Evolution

 If Darwin had been aware of genes and their typical mode of transmission to subsequent generations, with which statement would he most likely have been in agreement?