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Quiz. (1) Identifique los nombres de al menos dos f
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1. Evolucin de las Aves
2. Quiz (1) Identifique los nombres de al menos dos fsiles descubiertos en China relacionados con la evolucin de las aves
(1) Identify the names of at least two fossils discovered in China related with bird evolution
3. (2) Seale la opcin que incluye las dos teoras principales del origen de las aves:
(2) Pick the option that includes the two main theories about the origin of birds:
Origen Thecodonto o Crocodiliano
Thecodont or Crocodilian origin
Origen Thecodonto o Theropodo
Thecodont or Theropod origin
Origen Theropodo u Ornithomimido
Theropod or Ornithomimid origin
Origen Theropodo u Ornithischio
Theropod or Ornithischid origin
4. (3) Verdadero o Falso / True or False:
(a) Las aves son dinosaurios.
Birds are dinosaurs.
(b) Los Enantiornithes dieron origen a las aves modernas.
The Enantiornithes gave origin to modern birds.
(c) Archaeopteryx careca de plumas.
Archaeopteryx lacked feathers.
(d) Existieron dinosaurios con plumas.
There were feathered dinosaurs.
(e) Todos los Archosauria con plumas podan volar
All Archosauria with feathers were able to fly.
5. (4) Explique, que es la Paradoja Temporal en relacin al origen de las aves?
(4) Explain, what is the Temporal Paradox in relation to the origin of birds?
6. Evolucin de las Aves
7. Similitud con Reptiles Thomas Huxley
mediados 1800s
Un cndilo occipital
Forma del tarso
Huevo polarizado
Escamas queratinizadas
Hembras heterogamticas
Globulos rojos nucleados
8. Archaeopteryx Descrito en 1861
Origen de las especies de Darwin (1859)
145 ma
Perodo Jursico
Antes de las plantas con flor
Antes que el T. rex
9. Plumas asimtricas
Garras curvas en las patas
Sin msculos cupracoracoides (hombro)
Mandbulas con dientes
Garra retractil en el segundo dedo
Cola larga con huesos
19. Thecodontesdieron origen a los cocodrilos, dinosaurios, & pterosaurios
32. Teora Clsica (Heilmann) del Origen de las Aves Thecodonto Basal
Arbreo
Plumas
1o. Vuelo
2o. Aislamiento
Trmico
Ms antiguo queArchaeopteryx
33. Teora de Ostrom del Origen de las Aves Ancestro Coelurosaurio
Theropodo
Corredor
Plumas
1o. Aislamiento
Trmico
2o. Volar
Tiempo similar a
Archaeopteryx
47. Late Jurassic Birds Liaoningornis
Sympatric with Confuciusornis
Skull / Bill
Pygostyle
Synsacrum
Furcula
Air sacs & Ribs
Keel
Pectoral girdle
Fused hands / arms
50. Two Major Bird Lineages Enantiornithes
Fusion of tarsometatarsus in opposite order
Most Diverse avian group in Cretaceous
Worldwide distribution
Ornithurae
53. Non-Passerine Radiation Fossils vs. Extant Phylogenies
Presbyornis
Shorebirds (gulls, sandpipers)
55. Large Carnivorous Birds Gastornis / Diatryma Europe / NA
Australian Dromonithids Giant Demon Duck of Doom
Terror Birds South America
Far from sympatric Chicken sized terror birds in same german shale as gastornis. Terror birds were top predators . . . South america only place with top birds, mammals elsewhere. Saber-tooth cats may have outcompeted after connection with north america. Stayed on as scavengers in south america until just before the arrival of humans. Really fast.Chicken sized terror birds in same german shale as gastornis. Terror birds were top predators . . . South america only place with top birds, mammals elsewhere. Saber-tooth cats may have outcompeted after connection with north america. Stayed on as scavengers in south america until just before the arrival of humans. Really fast.
56. Pseudodontorns 17 wingspans, false teeth17 wingspans, false teeth
57. Teratorns 25 foot wingspan, 170 lbs.25 foot wingspan, 170 lbs.