Revision as of 19:10, 27 January 2011 by Duddy(Talk | contribs)(Created page with "A method of synchronizing the production of offspring with favourable environmental conditions; female animals store and nourish sperm in their reproductive tract for long period...")
A method of synchronizing the production of offspring with favourable environmental conditions; female animals store and nourish sperm in their reproductive tract for long periods of time.