Sharks, No Evolution Forerunner
Sharks get a bad rap. With only a cartilaginous skeleton, sharks were once thought to be the primitive evolution forerunner of the fish originating more than 400 million years ago during the Paleozoic Era―yet somehow surviving unchanged.
Sharks suffer as a stereotypical indiscriminate evolution forerunner, surviving only to kill with unintelligent, deadly instincts. However, a new study on the migratory patterns of the tiger shark, Galeocerdo cuvier, published in the journal Nature, dispels these misconceptions.
