... domestication were made in the Near East and east Asia. A separate, probably later, centre of domestication has been located in the Americas,particularly around Mexico and the Andes. Since the ... seasonalappearance of various plants and flowers, and knowing which parts of animals and plantswere good to eat, etc., facilitated human survival, for such environmental appreciation— and the ... pet animals. The theme of animal disease and public health will also recur in thischapter in the light of a consideration of the health benefits and drawbacks of keepinganimals as pets. Lastly,...