Biodiversity, a portmanteau of bio (life) and diversity, generally refers to the variety and variability of life on Earth. According to the United Nations Environment Programme (UNEP), biodiversity typically measures variation at the genetic, the species, and the ecosystem level.
Meaning of Christopher. English name. In English, the name Christopher means-He who holds Christ in his heart. Famous Bearers: actors Christopher Plummer and Christopher Walken; explorer Christopher Columbus..Other origins for the name Christopher include-English, Biblical.The name Christopher is most often used as a boy name or male name.English Name Meaning-He who holds Christ in his heart. Famous Bearers: actors Christopher Plummer and Christopher Walken; explorer Christopher Columbus.eaning of Christopher. English name. In English, the name Christopher means-He who holds Christ in his heart. Famous Bearers: actors Christopher Plummer and Christopher Walken; explorer Christopher Columbus..
A coat of arms was granted to Christopher Light of Horley in Oxfordshire, in1546. This has a blazon of a red field charged with a chevron between three silver rising swans. The first recorded spelling of the family name is shown to be that of Thomas de Leht.This was dated 1275, in the Hundred Rolls of Kent, during the reign of King Edward 1st of England, 1272 - 1307. Surnames became necessary when governments introduced personal taxation.irstly it may be a nickname for a happy and cheerful person, and a derivation of the Olde English pre 7th century word leoht. Secondly it may be a similar nickname for someone who was busy and active, from the Olde English lioht, meaning nimble or quick.