Tips and Truths About Transitional Kindergarten. By Amy Salvatore Reiss | Jan. 2013. Published: December 27, 2012 12:00 PM. When Anne Armsâ twin daughters, Mary Helen and Anne Caroline, turned 5 and she sent them off to school, their classroom looked like any other kindergarten space.
Pair bond. (Redirected from Mate for life) Northern gannet pair. In biology, a pair bond is the strong affinity that develops in some species between a pair consisting of a male and female, or in some cases as a same-sex pairing, potentially leading to producing offspring and/or a lifelong bond.
These behaviors are sometimes included in the definition of sexual intercourse. Two animals coming together for the purposes of sexual reproduction is called mating. Most animals only mate when the female is at the point of estrus, which is the most fertile period of time in its reproductive cycle.