Species Archives

The Specifics of Species – By the Numbers

May 4, 2018 neptune3-ca Origins

1) THE GENERAL DEFINITION OF SPECIES IS THAT THEY ARE GROUPS OF ORGANISMS that are like each other and can produce offspring with the same traits. While member of a species can sometimes produce hybrid offspring with another species, those offspring should not be able to reproduce. 2) Within each species of gene-directed traits, there are inevitably genetic variations that favor some as environments change and work against others. As succeeding generations adapt to these changing circumstances,

The Philippines: In the Triangle

July 4, 2017 neptune3-ca Origins, Places

MY POST IN THE ORIGINS SECTION, “The Far Side of the World: Geohistory & the Triangle of Diversity,” helps explain why we in the U.S. pay much more money and travel much longer distances to dive in the Pacific rather than the Atlantic/ Caribbean. ICE AGE EXTINCTIONS At one time ocean life was uniformly distributed worldwide along the Equator, but the movements of continents and the rise and fall of sea level ensured that many