MSN UK is featuring a gallery of some of the creatures that have hardly changed over time. These creatures bear a striking resemblance or are identical their ancestors from millions of years ago. Some of these creatures, including the bowfin fish and the frilled shark, belong to the oceans.
These creatures have hardly changed over the millenia that they have existed because of their traits and characteristics. These characteristics, such as the bowfin fish's low metabolism and ability to survive out of water, have let them survive unchanged, needing no/little adaption to continue on.
It's fascinating to find that creatures such as these look exactly as they did millenia ago. For example, modern horseshoe crab is identical to its fossils from 445 million years ago. And the bacteria stromatolites have left similar fossils for up to 3.45 billion years. Humans truly are the children of this world, having been around for nowhere near as long as any of these creatures.
Living Fossils: the creatures that time forgot
http://environment.uk.msn/wildlife/gallery.aspx?cp-documentid=10558175
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