Packet 7: Tossup 16

Cattle that eat these thermogenic plants can suffer “staggers” due to a glycoside that Aboriginal Australians leached out to eat nuts from their Macrozamia genus. Atala caterpillars feed on the only North American species of these plants, the coontie, which was processed by Seminoles into a starch sold as “Florida arrowroot.” The coralloid roots of these plants house diazotrophic cyanobacteria. A Micronesian species of these plants produces the neurotoxin BMAA, (-5[1])whose biomagnification by flying foxes that consume its sarcotesta may (-5[1])cause lytico-bodig disease in Chamorro people. The Jurassic is often called the “age” (-5[1])of these dioecious (-5[2])plants, (-5[2])which include (10[1])the misleadingly named (-5[1])king sago palm. (-5[2])For 10 points, (-5[2])what gymnosperms (-5[4])that form a clade with ginkos (-5[1])bear a central (10[1])seed cone amid fernlike fronds? ■END■ (10[4]0[11])

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