Elephants are known for their intelligence, complex social behavior, memory and size, including their giant ears. The ears of ...

megalodon individual. The largest vertebra of the Belgian specimen measures 15.5 centimeters (6 inches) in diameter, but putative O. megalodon vertebrae measuring as much as 23 centimeters (9 ...

Save guides, add subjects and pick up where you left off with your BBC account. Vertebrates are animals that have a spine Vertebrates are animals that have a spine (backbone) inside their body.