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Copy of Biogeography

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by

Diana Alvarez

on 20 April 2016

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Transcript of Copy of Biogeography

Budapest
San
Francisco
Wallace
Clima, Especies, Habitats
Como llega a ser una Disciplina?
Variación Geográfica
Exploradores Europeos
Linneo
Lyell
Humboldt
Que estudia?
HERRAMIENTAS
Island Biogeography
Continental Drift
Classic Examples:
Africa vs. South America
Reinos Biogeográficos
this is due on tuesday right? i still have time to smush stuff in at the last minute on monday
MAPAS
Cartografia
GIS


PARA.......

OBSERVAR
PREDECIR
RESOLVER PROBLEMAS

MODELAMIENTO
Developed as a branch of biogeography in 1967 by ecologists Robert MacArthur and E.O. Wilson
The theory attempted to predict the number of species that would exist on a newly created island
Examines the factors that affect the species richness within isolated communities
Theory was developed to explain species richness of actual islands
Now has been extended to mountains, deserts and even natural habitats surrounded by human-altered landscapes
Now is used in reference to any ecosystem surrounded by unlike ecosystems
Animals on different continents will evolve differently
Land bridges will bring different species together causing competition
Continental drift would place a species under different environmental conditions that they would have to adapt to, eventually natural selection would take it's course
Glossopteris is evidence for continental drift
Especiación
Extinción
Deriva Continental
Glaciaciones
Cuales especies
Donde estan
Porque estan alli
Marsupials vs. Placental Mammals
All marsupials have a placenta, and not all of them have a pouch
Placental and marsupial mammals diverged from a common ancestor around 130 million years ago in current day Asia
Bladders in marsupials migrate from back to front
Placental females fuse their reproductive tracts together
Marsupials are now living naturally in Indonesia, Papua New Guinea, throughout Americas and Australia
Marsupial dispersal to Australia from asia began over 100 million years ago via North America, South America, Antarctica
Little mountain monkey is more closely related to the Aussie marsupials
South America rejoined with North America only 3 million years ago
Early rodents of South America had origins in Africa
Rodents are from the suborder that includes living rodents such as guinea pigs, chinchillas, and New World porcupines
Oldest fossils from this group are only about 32 million years old in central Chile and about 30 million years old in Patagonia, Argentina
Animals arrived in South America about 40 million years ago
Dental features indicate the rodents probably ate soft seeds and plant parts
Espacio
Tiempo
http://www.nationalgeographic.com/explorers/projects/
LOS NUEVOS EXPLORADORES........
.........y como son los exploradores actuales???
http://video.nationalgeographic.com/video/young-explorer-2012-yeg
......un nuevo explorador de genes
Tyto alba
Reinos BioGeo Zoológicos
Reinos BioGeo Botánicos
Ahora traten de localizar las siguientes imagenes en ambos mapas!!!
cuantas pueden ubicar?
que información adicional requieren?
hay datos insuficientes?
http://www.ted.com/talks/spencer_wells_is_building_a_family_tree_for_all_humanity?language=es
Full transcript