The smaller the lethal dose, the more toxic the chemical; thus, the LD50 provides a way of comparing the toxicities of all chemicals. There are a number of caveats to the LD50 test. Firstly, as mentioned, it is the dose required to kill 50% of the test subjects.
Snowy Remote Area. - This is the biome for the Amur Leopard.- They live in Korea, China, Japan, and Russia.- It is known to adapt to any specific environment if it provides food and water.- It is the only leopard known to live in the harsh, cold winters of the Russian Far East.nowy Remote Area. - This is the biome for the Amur Leopard.- They live in Korea, China, Japan, and Russia.- It is known to adapt to any specific environment if it provides food and water.- It is the only leopard known to live in the harsh, cold winters of the Russian Far East.
  The rarest cat on earth-the Amur leopard, which population in the wild hardly exceeds 30 individuals, inhabits only the southwest of the Russian Far East.  Amur le â¦ opard is the most northern leopard subspecies, with the distribution area that goes a little northward from the 45 parallel. Within these regions, they may live in a vaâ¦. 2  The Amur Leopard One of the world's most endangered animals is the reclusive and beautiful Amur Leopard (Panthera pardus, orientalis). 3  Only around 30 of these unique cats still live in the wiâ¦. 4  The Five Major Parts of the Brain At its most basic, the brain controls the body.