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Zoology

Zoology is that branch of biological science dealing with the examination and categorization of animals.  Zoology includes the physical description, evolutionary development, distribution of animals, their interrelatedness, and their...

Zurich Agreement

The Zurich Agreement was a pact made in 1549 by John Calvin and Heinrich Bullinger, Zwingli’s successor,  the result of which was an increased unity between the two largest Reformed Churches in Switzerland. The document contained 26 articles, affirmed that...

Zygote

A zygote is a fertilized egg. A zygote is formed when the egg and the sperm join and their genetic information is combined.