气候变化领域集成服务门户(CCPortal): Reproductive innovations and pulsed rise in plant complexity

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DOI	10.1126/science.abi6984
	Reproductive innovations and pulsed rise in plant complexity
	Leslie A.B.; Simpson C.; Mander L.
发表日期	2021
ISSN	0036-8075
起始页码	1368
结束页码	1372
卷号	373 期号:6561
英文摘要	Morphological complexity is a notable feature of multicellular life, although whether it evolves gradually or in early bursts is unclear. Vascular plant reproductive structures, such as flowers, are familiar examples of complex morphology. In this study, we use a simple approach based on the number of part types to analyze changes in complexity over time. We find that reproductive complexity increased in two pulses separated by ~250 million years of stasis, including an initial rise in the Devonian with the radiation of vascular plants and a pronounced increase in the Late Cretaceous that reflects flowering plant diversification. These pulses are associated with innovations that increased functional diversity, suggesting that shifts in complexity are linked to changes in function regardless of whether they occur early or late in the history of vascular plants. © 2021 American Association for the Advancement of Science. All rights reserved.
英文关键词	angiosperm; article; Devonian; functional diversity; nonhuman; Upper Cretaceous; anatomy and histology; Cycadophyta; Embryophyta; evolution; flower; fossil; genetics; growth, development and aging; physiology; plant seed; plant structures; pollination; reproduction; sporangium; Magnoliophyta; Tracheophyta; Biological Evolution; Cycadopsida; Embryophyta; Flowers; Fossils; Magnoliopsida; Plant Structures; Pollination; Reproduction; Seeds; Sporangia
语种	英语
来源期刊	Science
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/244504
作者单位	Geological Sciences Department, Stanford University, 450 Jane Stanford Way, Building 320, Room 118, Stanford, CA 94305, United States; Geological Sciences, University of Colorado Museum of Natural History, University of Colorado Boulder, Campus Box 265, Boulder, CO 80304, United States; School of Environment, Earth and Ecosystem Sciences, The Open University, Walton Hall, Milton Keynes, MK7 6AA, United Kingdom
推荐引用方式 GB/T 7714	Leslie A.B.,Simpson C.,Mander L.. Reproductive innovations and pulsed rise in plant complexity[J],2021,373(6561).
APA	Leslie A.B.,Simpson C.,&Mander L..(2021).Reproductive innovations and pulsed rise in plant complexity.Science,373(6561).
MLA	Leslie A.B.,et al."Reproductive innovations and pulsed rise in plant complexity".Science 373.6561(2021).