Native peoples of Guam, such as the Chamorro people, are familiar with the toxicity of cycad tissues, and avoid eating them. They do, however, feast on flying foxes. The Chamorros suffer relatively high incidences of a neurodegenerative disease similar to Lou Gehrigʹs disease (ALS). Which question follows most logically from these observations?

Native peoples of Guam, such as the Chamorro people, are familiar with the toxicity of cycad tissues, and avoid eating them. They do, however, feast on flying foxes. The Chamorros suffer relatively high incidences of a neurodegenerative disease similar to Lou Gehrigʹs disease (ALS). Which question follows most logically from these observations?

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Native peoples of Guam, such as the Chamorro people, are familiar with the toxicity of cycad tissues, and avoid eating them. They do, however, feast on flying foxes. The Chamorros suffer relatively high incidences of a neurodegenerative disease similar to Lou Gehrigʹs disease (ALS). Which question follows most logically from these observations?



A) Do the fruits of cycads also contain the neurotoxins?
B) Do pollen-producing cones produce as much neurotoxin as seed-producing cones?
C) Is the neurodegenerative disease of the Chamorros transmitted by the bite of the flying fox, similar to the way vampire bats can transmit rabies?
D) Do flying foxes concentrate the cycad neurotoxins in their tissues?
E) Can it be documented whether Lou Gehrig ever traveled to Guam and, if so, did he eat cycad seeds?


Answer: d


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