linkedin post 2020-08-15 04:25:37

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THE VERTEBRATE NOSE. “In vertebrates, the olfactory placodes give rise to the fibrocartilaginous nose made of alar and septolateral cartilages, olfactory mucosa and the olfactory fascia; the respiratory nose develops by evolutionary remodeling of the palatal bones under the olfactory nose.” http://www.wjgnet.com/esps/DownLoadFile.aspx?Type=Digital&SubType=2&DOI=10.5319%2Fwjo.v6.i2.33&FilePath=Pub%5C10.5319%5Cv6%5Ci2%5CWJO-6-33.doc View in LinkedIn
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linkedin post 2020-08-15 04:24:54

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TWO ORGANS IN ONE. “The intricate and elaborate anatomy of the human nose can be best understood by gathering knowledge in evolution and development. Phylogenically and ontogenically, the nose results from two distinct entities: The olfactory and respiratory organ.” http://www.wjgnet.com/esps/DownLoadFile.aspx?Type=Digital&SubType=2&DOI=10.5319%2Fwjo.v6.i2.33&FilePath=Pub%5C10.5319%5Cv6%5Ci2%5CWJO-6-33.doc View in LinkedIn
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linkedin post 2020-08-16 05:21:15

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MODIFIED LAND NOSE. “Lungfish played a critical role when organisms shifted from an aquatic mode of life to a terrestrial setting representing one of the most dynamic major adaptive shifts during the course of evolution. The anatomy of lungfish shows that the olfactory passages open posteriorly in the oral region and into the respiratory portion of the organism. These posterior communicating pathways, however, were in all likelihood not used for the purposes of respiration but rather to increase the power of olfaction.” http://www.wjgnet.com/esps/DownLoadFile.aspx?Type=Digital&SubType=2&DOI=10.5319%2Fwjo.v6.i2.33&FilePath=Pub%5C10.5319%5Cv6%5Ci2%5CWJO-6-33.doc View in LinkedIn
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linkedin post 2020-08-15 04:18:28

linkedin post 2020-08-15 04:18:28

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THE GREAT MAXIM. “Nothing in Biology Makes Sense Except in the Light of Evolution" is a 1973 essay by the evolutionary biologist Theodosius Dobzhansky, criticising anti-evolution creationism and espousing theistic evolution.“ https://en.m.wikipedia.org/wiki/Nothing_in_Biology_Makes_Sense_Except_in_the_Light_of_Evolution View in LinkedIn
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linkedin post 2020-08-16 05:20:02

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RUDIMENTARY NOSE. “The first vertebrates were jawless fish named agnathans who are classified in the phylum Chordata and subphylum Vertebrata and whose fossil ancestors can be traced back to the Cambrian period around 500 million years ago. Living agnathans display a primitive or rudimentary olfactory organ.” http://www.wjgnet.com/esps/DownLoadFile.aspx?Type=Digital&SubType=2&DOI=10.5319%2Fwjo.v6.i2.33&FilePath=Pub%5C10.5319%5Cv6%5Ci2%5CWJO-6-33.doc View in LinkedIn
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