The way in which traits are passed from one generation to the next-and sometimes skip generations-was first explained by Gregor Mendel. By experimenting with pea plant breeding, Mendel developed three principles of inheritance that described the transmission of genetic traits, before anyone knew genes existed.
1. Steppe. Much of the region of Central Asia is covered by a semi-arid, treeless, mostly flat land known as the Steppe or Steppes. Part is in Europe by the Ukraine, but most is in Asia extending to eastern Mongolia. 1  Steppe Tribes.
Definition of 'physical geography'. physical geography. physical geography in American English. the study of the features and nature of the earth's solid surface and oceans, atmosphere and climate, distribution of plant and animal life, etc. Example sentences containing 'physical geography'. Broker shook his head, stymied at the physical geography of where Sommer was.