English new terms dictionary. 2014.
Evolution of mammals — Restoration of Thrinaxodon, a member of the cynodont group, which includes the ancestors of mammals Further information: Evolutionary history of life The evolution of mammals within the synapsid lineage (sometimes called mammal like reptiles )… … Wikipedia
Platypus — For other uses, see Platypus (disambiguation). Platypus[1] Temporal range: 66–0 Ma … Wikipedia
Mammal — For other uses, see Mammal (disambiguation). Mammals Temporal range: Late Triassic – Recent, 220–0 Ma … Wikipedia
Y chromosome — Human Y chromatid The Y chromosome is one of the two sex determining chromosomes in most mammals, including humans. In mammals, it contains the gene SRY, which triggers testis development if present. The human Y chromosome is composed of about 60 … Wikipedia
2009 in paleontology — List of years in paleontology (table) … 1999 . 2000 . 2001 . 2002 . 2003 . 2004 . 2005 … 2006 2007 2008 2009 2010 2011 2012 … 2013… … Wikipedia
