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When are the earliest definitive angiosperm fossils found?
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These fossils provide evidence of the presence of flowering plants during Show more…
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The earliest fossils of vascular plants were formed during the __________ period. a. Ordovician b. Silurian c. Devonian d. Triassic e. Jurassic
The origin of the angiosperms has long been "an abominable mystery," as Charles Darwin once put it. The earliest known angiosperm fossils are from the late Jurassic or early Cretaceous, but fossils of their sister group, the gymnosperms, are known from as early as the late Carboniferous (about 150 million years earlier; see Figure 29.1). Given that these two sister groups are thought to have arisen from a single split in the seed plant lineage, what might explain the lack of earlier angiosperm fossils?
Which of the following was/were the most abundant in cenozoic era? (a) Angiosperm (b) Cycads (c) Conifers (d) Ginkgos
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