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Evolution in Action: Lizard Moving From Eggs to Live Birth

Discussion in 'Off-topic Zone' started by SaltwaterServr, Oct 6, 2012.

  1. SaltwaterServr

    SaltwaterServr Blank Paper Offends Me

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    http://news.nationalgeographic.com/...ution-australia-lizard-skink-live-birth-eggs/

    Evolution has been caught in the act, according to scientists who are decoding how a species of Australian lizard is abandoning egg-laying in favor of live birth.

    Along the warm coastal lowlands of New South Wales (map), the yellow-bellied three-toed skink lays eggs to reproduce. But individuals of the same species living in the state's higher, colder mountains are almost all giving birth to live young.

    .....
  2. Route 66

    Route 66 Active Member

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    I hope Chickens don't catch wind of this.
  3. reddyuta

    reddyuta Well-Known Member

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    very interesting,thanks for posting.
  4. Hoofbite

    Hoofbite Well-Known Member

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    I've always wondered why so many animals have such little and useless arms.

    Must suck. Sorry Costa.
  5. jobberone

    jobberone Right turn Clyde Staff Member

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  6. SaltwaterServr

    SaltwaterServr Blank Paper Offends Me

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    Skinks. They burrow. Arms are in the way.

    Funny thing about cetaceans, many of them retain their lower limbs in some state through adulthood, and also have parts and pieces of their pelvis.

    To explain, cetaceans are whales, dolphins, porpoises. To the best of my knowledge, its still a general consensus that they were former land mammals that evolved for life back into the sea, hence they have their walking land mammal bone structures.
  7. CliffnMesquite

    CliffnMesquite Well-Known Member

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    Another 500 Million years or so, and they will be running the place.
  8. jobberone

    jobberone Right turn Clyde Staff Member

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    Which one? Short armed descendents of Costa or whales?
  9. SaltwaterServr

    SaltwaterServr Blank Paper Offends Me

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    2 or 3 million should be all that's necessary. 500 million would be enough for the successor to our successor.

    I'd keep my eyes on bees and squid too.
  10. Cowboy Brian

    Cowboy Brian Romo 2 Austin Zone Supporter

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    Alot less than that lol.
  11. arglebargle

    arglebargle Well-Known Member

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    I laugh at your silly squid successors! Don't be a sucker for that line. Everyone knows it will be the Octopi!
  12. ethiostar

    ethiostar Well-Known Member

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    :lmao2:

    Awesome!


    :bow:
  13. theogt

    theogt Surrealist Zone Supporter

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    :lmao2:
  14. jobberone

    jobberone Right turn Clyde Staff Member

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    :laugh2: Ok, Rowdy, that was a good one.

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