Invertebrate

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  • Streetlights Lure Beasts Of The Tiny Kind

    msnbc.com 4 days, 19 hours ago

    Beware streetlights: A new study finds that well-lit areas of cities and towns are more likely to be home to predators and scavengers.

  • A New Twist In The Tetrapod Tale

    wired.com 3 days, 3 hours ago

    A 3-D digital reconstruction of one of Earth's earliest four-legged land animals suggests it couldn't walk on all four limbs. Laelaps blogger Brian Switek reports.

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Videos

  • On the Patio with Todd the Snake Man

    On the Patio with Todd the Snake Man

  • Bug Olympics: Choose Your Favorite Invertebrate

    Bug Olympics: Choose Your Favorite Invertebrate

  • Octopus builds house

    Octopus builds house

  • Octopus Uses Coconut Shells To Make Shelter

    Octopus Uses Coconut Shells To Make Shelter

  • Raw Video: Octopus That Uses Tools Found in Asia

    Raw Video: Octopus That Uses Tools Found in Asia

  • Scientists Find Coconut-Carrying Octopus

    Scientists Find Coconut-Carrying Octopus

  • Scientists Find Coconut-Carrying Octopus

    Scientists Find Coconut-Carrying Octopus

  • Scientists Find Coconut-Carrying Octopus

    Scientists Find Coconut-Carrying Octopus

Additional Info

via Wikipedia
Invertebrates are animal species that do not develop a vertebral column. This in effect includes all animals apart from the subphylum Vertebrata. Familiar examples of invertebrates include insects, snails, and starfish. Taxonomically speaking "invertebrate" is no more than a term of convenience; only about 3% of animal species include a vertebral column in their anatomy. In other words all animals except those in the chordate subphylum Vertebrata are regarded as invertebrates. What is more, many an individual invertebrate taxon has a greater number and variety of species than the entire subphylum Vertebrata, In fact some of the so-called invertebrata, such as the Chaetognatha and Hemichordata, are more closely related the Chordata than to other invertebrate phyla.
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