Results 91 to 100 of about 5,493 (196)
Visual ecology of the Australian lungfish (
BMC Ecology, 2008 Background The transition from water to land was a key event in the evolution of vertebrates that occurred over a period of 15–20 million years towards the end of the Devonian. Tetrapods, including all land-living vertebrates, are thought to have evolved
Vorobyev Misha +4 more
doaj +1 more source
Steroid Receptors and Vertebrate Evolution
, 2019 Considering that life on earth evolved about 3.7 billion years ago, vertebrates are young, appearing in the fossil record during the Cambrian explosion about 542 to 515 million years ago.
Baker, Michael E.
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The status of the artisanal fishery of Lake Victoria, Kenya [PDF]
, 1999 Annual catches of fish in Lake Victoria, Kenya from 1976-1998 are assessed, catches from 5-15 boats selected randomly from targeted landing sites were recorded. Twenty three of the 256 Kenyan landing sites were covered by the survey. Selection of landing
Othina, A.
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Brazilian Journal of BiologyLepidosiren paradoxa (pirambóia) is the single representative of Dipnoan (lungfish) in South America. This species is considered a living fossil, in spite of some reports describing this fish as having a very specialized life style.
L. S. B. MESQUITA-SAAD +4 more
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The role of two anatomically separate olfactory bulbs in shark food odor tracking [PDF]
, 2017 Most sharks have well-developed olfactory systems and depend to a large degree on odor information to locate food, home and navigate, and possibly detect predators and mates.
Lohe, Adrienne
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Brazilian Journal of Biology, 2002 Lepidosiren paradoxa (pirambóia) is the single representative of Dipnoan (lungfish) in South America. This species is considered a living fossil, in spite of some reports describing this fish as having a very specialized life style.
MESQUITA-SAAD L. S. B. +4 more
doaj
Two Sides of Modus Ponens [PDF]
, 2018 McGee (1985) argues that it is sometimes reasonable to accept both x and x->(y->z) without accepting y->z, and that modus ponens is therefore invalid for natural language indicative conditionals.
Hartmann, Stephan, Stern, Reuben
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Lungfish diversity in Romer's Gap: Reaction to the end-Devonian extinction [PDF]
, 2016 Romer’s Gap, the interval following the end-Devonian extinction event, has been described as a post extinction trough for vertebrates. It is a time roughly equivalent to the Tournaisian stage of the early Carboniferous, and has been characterized by a ...
Clack, JA, Richards, KR, Smithson, TR
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Genome-scale approach proves that the lungfish-coelacanth sister group is the closest living relative of tetrapods with the BEST program [PDF]
, 2009 The origin of tetrapods has not been resolved for decades. Three principal hypotheses (lungfish-tetrapod, coelacanth-tetrapod, or lungfish-coelacanth sister group) have been proposed.
Robin Gras, Yunfeng Y. S. Shan
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FishesThe Australian lungfish, Neoceratodus forsteri, is one of the world’s oldest vertebrate lineages, with a slow life-history and threatened status, requiring immediate conservation efforts.
Charles R. Todd +13 more
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