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The cycads, a mostly tropical phylum of gymnosperms, evolved about 300 million years ago and were dominant forms during the Age of the Dinosaurs. Though their sperm are flagellated, their ovules are pollinated by beetles. These beetles get nutrition (they eat pollen) and shelter from the microsporophylls. Upon visiting megasporophylls, the beetles transfer pollen to the exposed ovules. In cycads, pollen cones and seed cones are borne on different plants. Cycads synthesize neurotoxins, especially in the seeds, that are effective against most animals, including humans.
-What is True of stamens, sepals, petals, carpels, and pinecone scales?

Question

Quizplus · Accepted Answer

Stamens, sepals, petals, carpels, and pinecone scales are all modified leaves.

Answer: B, D 
 None of these structures are capable of photosynthesis, and while they may be found in flowers, they are also found in gymnosperms such as cycads, which do not produce flowers but instead produce cones.

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