拱形面包
发表于 2025-3-28 16:57:37
When and Why Nature Gained Angiosperms,, the eudicots, are part of the fossil record of Africa. These initial flowering plants had small inconspicuous flowers and small fruits, and were most probably of small growth stature, likely herbs and shrubs. After angiosperms colonized mineral soils across the landscape, they expanded their habit
companion
发表于 2025-3-28 19:03:57
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轮流
发表于 2025-3-28 22:59:00
Dinosaurs, But Not Only: Vertebrate Evolution in the Mesozoic,ecific changes that led to the evolution of avian flight. Our Mesozoic tour across the globe will allow us to see how different evolutionary forces led to convergent shifts to quadrupedality in ornithischian dinosaurs and to an aquatic lifestyle in turtles, crocodiles, and plesiosaurs. Last, but not
Debility
发表于 2025-3-29 06:52:53
How to Live with Dinosaurs: Ecosystems Across the Mesozoic,eptiles (crocodylomorphs), because they occupied similar ecological niches. Observing the record of Cretaceous landscapes in what is now Mongolia shows how changes in environment and climate correlate with changes in faunal composition..Heading back, we check if there are distinct differences in ver
gonioscopy
发表于 2025-3-29 07:55:01
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commodity
发表于 2025-3-29 14:29:11
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硬化
发表于 2025-3-29 17:16:07
,The Non-analog Vegetation of the Late Paleozoic Icehouse–Hothouse and Their Coal-Forming Forested Eapes. The extinct pteridosperms and cordaitaleans, and the extant ginkgoalean, cycad, and conifer clades, ultimately diversify and occupy better drained soil conditions that developed in response to global climate change from icehouse to hothouse conditions. Beginning in the latest Pennsylvanian and
Institution
发表于 2025-3-29 19:52:54
The Coal Farms of the Late Paleozoic,seed-bearing plants become more dominant. Due to tectonic activity associated with assembling the supercontinent, including earthquakes and volcanic ashfall, a number of these forests were buried in their growth positions. These instants in time, often referred to as T. assemblages, provide insight
agitate
发表于 2025-3-30 03:14:49
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Esalate
发表于 2025-3-30 06:59:09
Back to the Beginnings: The Silurian-Devonian as a Time of Major Innovation in Plants and Their Comnian. In the Lower Devonian, trees were not present and plants were shrubby (e.g., .), preserved in a fossilized community at the Rhynie chert locality in Scotland and other places. Many of these stem-group plants (i.e., preceding the differentiation of most modern lineages) were leafless and rootle