Having a tail that extends beyond the anal opening is a requirement of membership in the phylum Chordata, where humans and ...

How and why the Cambrian explosion occurred has been the subject of debate ever since fossils of this remarkable event were ...

From comparison of the eyes of lampreys and jawed vertebrates, it is clear that a 'vertebrate-style' camera eye was already present in the last common ancestor of these taxa, around 500 million years ...

Let's be honest, we're all drama queens sometimes. Whether you're texting your bestie you're “literally dying” over the latest celebrity gossip or declaring on social media that Monday mornings are ...

Brian Beers is a digital editor, writer, Emmy-nominated producer, and content expert with 15+ years of experience writing about corporate finance & accounting, fundamental analysis, and investing.

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Eric's career includes extensive work in ...

A pronoun is a word which takes the place of a noun or noun phrase in a sentence. The children went to the park. The children played on the swings. The noun phrase 'the children' is used twice, which ...

Although some major corporations have recently scaled back the diversity, equity and inclusion (DEI) initiatives they once prioritized, DEI remains an important business component for many small and ...

JANINE: Big crowd in tonight, Jeff. JEFF: Including Bob the superfan. Bob here has never actually seen Jess perform. JANINE: Let’s help him picture her in his head - we can use metaphors and similes.

A deep-ocean trench expedition discovered a unique, floating mystery organism that has left taxonomy experts 'baffled.' ...

An Introduction to the Comparative Anatomy, Embryology and Evolution of Chordate Animals. By Dr. G. R. de Beer. (Text-Books of Animal Biology.) New edition. Pp. xv ...