2024 Tropics as cradle

Tropics as cradle

Author: vzjb

August undefined, 2024

WebJan 1, 2024 · Species may have evolved more quickly in tropical regions, suggesting that the tropics function as cradle of diversity, or they may have survived in the tropics for longer … WebAug 15, 2024 · In tropical regions, there are more species of plants, animals and fungi in any given area, and that concentration declines as you move farther from the equator. This …

Cradle or Museum? For the Tropics, Both - Scientific …

WebDec 1, 2010 · example of the tropics as "cradle and museums" of. biodiversity (Jablonski et al. 2006). In sum, this assemblage. represents an example of the great but poorly known extinct. WebOct 6, 2006 · Fossil record reveals tropics as cradle and museum Science. 2006 Oct 6;314(5796):66-7. doi: 10.1126/science.1133351. Author Charles R Marshall 1 Affiliation 1 Departments of Organismic and ... brad witt obituary

Patterns in Palaeontology: The latitudinal biodiversity gradient

WebAug 1, 2000 · The tropics as a cradle Conversely, the tropics can also be viewed as a cradle of diversity, with high origination rates 3, 30, 33, 38, 40, 41, 42. The two views need not be mutually exclusive, which greatly complicates indirect methods of determining whether the tropics do indeed act as a cradle. WebAug 7, 2007 · Abstract. Tropical forests contain the majority of extant plant diversity and their role as a cradle and/or museum of biodiversity is an important issue in our attempts to assess the long-term consequences of global climate change for terrestrial biomes. Highly diverse groups of liverworts are an often ignored but extremely common element in ... WebTESTING THE MUSEUM VERSUS CRADLE TROPICAL BIOLOGICAL DIVERSITY HYPOTHESIS: PHYLOGENY, DIVERSIFICATION, AND ANCESTRAL BIOGEOGRAPHIC RANGE EVOLUTION OF THE ANTS Corrie S. Moreau1,2 and Charles D. Bell3 1Department of Zoology, Field Museum of Natural History, 1400 South Lake Shore Drive, Chicago, Illinois 60605 2E-mail: … hachure ba13

Why the tropics are an evolutionary hotbed Nature

Why is there so much biodiversity in the tropics? Live Science

Webmost (recent) major taxa, the tropical rain forests seem most appropriately to be considered a cradle - but not a good museum, since the species turnover is predicted to … Webthough they originated in the tropics. FIGURE 4- 14 These 3 gures illustrate three models of species origin: the tropics as cradle, tropics as museum, and out of tropics (OTT) models. Horizontal lines denote geographic distributions and show groups that originated in … bradwnton rental hoems with bad creditWebThe tropics are thus both a cradle and a museum of biodversity, contrary to the conceptual dichotomy dominant since 1974; a tropical diversity crisis would thus have profound evolutionary effects at all latitudes. T he most striking large-scale pattern in biological diversity is the dramatic in- brad wolf auctioneer

"WebDec 20, 2024 · Reported in this week's issue of Science, the fossils push back the origins not just of podocarps, but also of groups of seed ferns and cycadlike plants. Beyond altering … " - Tropics as cradle

Tropics as cradle

Tropical forests are both evolutionary cradles and museums of …

WebMar 15, 2016 · Nonthreatened mammals are twice as likely to show up in fossil databases at about 20%. That bias may distort our understanding of ancient extinctions, Plotnick says—the species that are most likely to go extinct also appear to be the ones who rarely leave behind a trace. One possible reason for this bias, the team found, is that smaller ... WebWhat does it mean that the tropics act as a cradle and a museum for biodiversity? What are the roles of evolution and extinction? (How have evolution and extinction rates in the tropics compared to the rest of the world?) Please answer as many as you can!! Show transcribed image text Expert Answer

Did you know?

WebDec 20, 2016 · Species may have evolved more quickly in tropical regions, suggesting that the tropics function as cradle of diversity, or they may have survived in the tropics for … WebAccording to one explanation of why the tropics have higher diversity then temperate regions, the tropics can be referred to as a where the tropics have a. Cradle: higher speciation rates b. Cradle; higher extinction rates c. Museum: lower speciation rates d. Museum; lower extinction rates O e. Both A and D are correct This problem has been solved!

WebIn 1974 the highly regarded botanist G. Ledyard Stebbins declared that the tropics were either a cradle, where new life evolved more frequently than at other latitudes, or a … WebNov 1, 2006 · The tropics today hold much of the world's biodiversity and have acted as cradle of diversity by producing and accumulating species through time (13,14, 17). Thus, …

Webtropic: [noun] either of the two parallels of terrestrial latitude at a distance of about 23¹/₂ degrees north or south of the equator where the sun is directly overhead when it reaches … WebOct 6, 2006 · Fossil record reveals tropics as cradle and museum Science. 2006 Oct 6;314(5796):66-7. doi: 10.1126/science.1133351. Author Charles R Marshall 1 Affiliation 1 …

WebApr 26, 2013 · In the ‘cradle hypothesis’, a small number of species might have migrated to the tropics before diversifying into many more. In 2006, Moreau and her colleagues analysed DNA from living ants and...

WebJan 28, 2014 · Some hypotheses emphasize diversification rates as the main driving force underlying the latitudinal diversity gradient: the “tropics as cradle” hypothesis emphasizes the role of high tropical speciation rates, whereas the “tropics as museum” hypothesis emphasizes the role of low tropical extinction rates [17] – [20]. hachure bois solidworksWebJul 18, 2006 · Although cradle and museum models are often presented as temporal alternatives (4, 7), their predictions are not mutually exclusive, and, as the aforementioned observations suggest, the evolutionary histories of tropical lineages of organisms may be expected to exhibit features of both kinds of models. However, this possibility has not … hachure bois planWebFeb 4, 2024 · Possible explanations include the idea that the tropics could act as a cradle of species diversification, producing new species at a higher rate than the temperate regions. One simple geographical reason behind such a cradle effect could be the lack of seasonal temperature change. hachure bloc autocadWebJan 14, 2024 · Moses in the cradle ( Tradescantia spathacea) is a beautiful tropical plant that is native to Central America. It was first encountered by Europeans in 1788. Since then, it has become naturalized in tropical areas … hachure carrelageWebApr 26, 2024 · The tropics refer to the region of the planet adjacent to the equator but delimited to the north by the Tropic of Cancer and to the south by the Tropic of Capricorn. This region is also known as the torrid zone or … hachure activeWeb‘‘tropics as cradle’’ hypothesis emphasizes the role of high tropical speciation rates, whereas the ‘‘tropics as museum’’ hypothesis emphasizes the role of low tropical extinction rates … hachure béton maigreWebOct 17, 2015 · THE NEW WORLD TROPICS AS A CRADLE OF MAMMALIAN BIODIVERSITY: A PRE-GABI RECORD Authors: Aaron R Wood Iowa State University Aldo F. Rincon Universidad del Norte (Colombia) Gary S. Morgan New... brad wolf obituary