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photo cred: Katie Johnson Advantage Livestock Marketing First Choice Online Sales

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Image: Galapagos shark showing teeth at surface in Oahu, Hawaii. (© Design Pics Inc/Rex Features)

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Great White Shark showing off his #breaching power on a #breachtour. http://www.sharkcagedive.com/

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Image: Galapagos shark showing teeth at surface in Oahu, Hawaii. (© Design Pics Inc/Rex Features)

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Amint a tigriscápák elkezdenek nőni, a vonalak is elkezdenek fakulni, majd szinte teljesen eltűnnek. Ezek a nagy, tompa orrú ragadozók okkal váltak emberevőként ismertté. A nagy fehércápák után ők támadnak meg a leggyakrabban embereket. Azonban esetükben nem valószínű, hogy továbbúsznak, miután megharaptak egy embert, mint ahogyan azt a nagy fehércápák gyakran teszik.

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Taken on tour by Dave Caravias, This Great White Shark shows us some JAW. http://www.sharkcagedive.com

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Archaeopteryx lithographica, fossil single feather found 1860, (This image shows the original fossil - not a cast.) Archaeopteryx lived in the Late Jurassic around 150 million years ago, in what is now southern Germany during a time when Europe was an archipelago of islands in a shallow warm tropical sea, much closer to the equator than it is now. Similar in size to a Eurasian magpie, with the largest individuals possibly attaining the size of a raven

Archaeopteryx lithographica, fossil single feather found 1860, (This image shows the original fossil - not a cast.) Archaeopteryx lived in the Late Jurassic around 150 million years ago, in what is now southern Germany during a time when Europe was an archipelago of islands in a shallow warm tropical sea, much closer to the equator than it is now. Similar in size to a Eurasian magpie, with the largest individuals possibly attaining the size of a raven

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How Sharks Float Experiment: Part 2

Awesome experiment showing how sharks float! Perfect for preschool, kindergarten, and older kids! Great for ocean themes, ocean units, and shark week!

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