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A biology student hiking in a forest discovers an erect, 15-centimeter-tall plant that bears microphylls and a strobili at its tallest point. When disturbed, the cone emits a dense cloud of brownish dust. Observing a sample with a magnifying glass reveals the dust to be composed of tiny spheres with a high oil content.
What type of plant has this student most likely discovered?

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Quizplus · Accepted Answer

The description matches a lycophyte sporophyte, which is characterized by having microphylls (small leaves with a single vein) and producing spores in a strobilus (cone) at the plant's apex. The "dense cloud of brownish dust" refers to the spores, which are typical of lycophyte reproduction.

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