• Dudes, what's the point of even asking?

    Directed at all of you Yahoos, religious and atheist, guilty or no. What's the point of even asking a question of you're only going to choose the answer that you started off agreeing with in the first place? Even if others are better reasoned and researched? It's almost as if you're conspiring together to befoul the R&S category with this... show more
    Directed at all of you Yahoos, religious and atheist, guilty or no. What's the point of even asking a question of you're only going to choose the answer that you started off agreeing with in the first place? Even if others are better reasoned and researched? It's almost as if you're conspiring together to befoul the R&S category with this faith-war spamfest. In before the irony: I'm probably going to choose the answer that agrees that this is an unnecessary spamfest. But none that blame any particular religious or non-religious group as the major contributor. Feel free to post your crap anyway.
    20 answers · Religion & Spirituality · 9 years ago
  • Have any molecular phylogenic studies been made on river dolphins?

    River dolphins are all in the superfamily Platanistoidea, while other dolphins are in superfamily Delphinoidea. Clearly river dolphins are anatomically similar to each other, with short dorsal fins and thin jaws, and have been classified by their anatomy. But to me it seems implausible that all river dolphins are related to each other. Since... show more
    River dolphins are all in the superfamily Platanistoidea, while other dolphins are in superfamily Delphinoidea. Clearly river dolphins are anatomically similar to each other, with short dorsal fins and thin jaws, and have been classified by their anatomy. But to me it seems implausible that all river dolphins are related to each other. Since their rivers are obviously not connected, they must have entered them independently, and then convergently evolved their riverine characteristics. But there are no extant marine Platanistoids. This suggests that Platanistoidea is not a monophyletic taxon, and the river dolphins are not more closely related to each other than to marine dolphins. My question is: has anyone made any molecular studies to determine the phylogeny of Platanistoidea in relation to Delphinoidea? This would really help with my understanding of cetacean taxonomy.
    2 answers · Zoology · 1 decade ago