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Comment on Whales is whales

wanderer@lemmy.world ⁨6⁩ ⁨months⁩ ago

‘Single celled’ is a characteristic, not a lineage. Organisms don’t necessarily have the same characteristics as their ancestors.

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lauha@lemmy.one ⁨6⁩ ⁨months⁩ ago
You’re seriously splitting hairs about lineage when you know humans are obviously not fish.

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- wanderer@lemmy.world ⁨6⁩ ⁨months⁩ ago
  A species can not evolve out of a clade. I am not splitting hairs, I am simply accepting cladistics classification as valid.
  
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  - lauha@lemmy.one ⁨6⁩ ⁨months⁩ ago
    
    I am simply accepting cladistics classification as valid.
    
    Obviously you are not, since fish are not considered a monophyletic group.
    
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    wanderer@lemmy.world ⁨6⁩ ⁨months⁩ ago
    Bony fish (Osteichthyes) is monophyletic.
    
    However, since 2013 widely cited ichthyology papers have been published with phylogenetic trees that treat the Osteichthyes as a clade including tetrapods
    
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