Whole skeleton of Dipterus, an extinct lungfish from the middle Devonian period. Specimen (UMMP 16140) from the University of Michigan Museum of Paleontology. ANN ARBOR—If you're reading this sentence ...
AZ Animals US on MSN
Crushed or Sliced? Why Evolution Pits Bite Force Against Speed in Nature’s Deadliest Hunters
Bite force, a measure of the strength of an animal's bite, helps researchers understand a species' role in the ecosystem.
A sea lamprey, which has no jaw, has the genetic code to do so, CU researchers find. Photo by Jeff Mitton A half-billion years ago, vertebrates lacked the ability to chew their food. They did not have ...
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