Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Scientists believe our backboned ancestors, who were still swimming around on a watery planet, may have started evolving teeth and jaws around this time.

From Seattle Times • Sep. 28, 2022

Cephalopods fascinate scientists for many reasons, including their advanced, camera-like eyes and large brains, which evolved independently from the eyes and brains of humans and our backboned relatives.

From New York Times • Apr. 4, 2022

Scientists used to think that, among backboned , internal fertilization and carrying the young inside the mother's body originated in sharks and their kin some 350 million years ago.

From Scientific American • Jan. 4, 2011

Scientists have long debated exactly how they are related to other backboned creatures, and we had come to Gogo to look for specimens that might help resolve this and other questions about fish evolution.

From Scientific American • Jan. 4, 2011

It thrills the imagination to learn that this is the only supporting axis that the lower orders of the backboned race possess.

From The Outline of Science, Vol. 1 (of 4) A Plain Story Simply Told by Thomson, J. Arthur