Life Expectancy Shih Tzu

Shih Tzu, also known as Tibetan holy dog, was spotted in the US after the Second World War. A small people loving dog, the Shih Tzu is very intelligent and it is the first preference for senior citizens. In China, it is also named as the lion dog as its fur resembles the mane of a lion. It has very cute face with big round eyes and short hairy muzzle. However, the most prominent feature is its hair which gives a look of a beard and moustache.

Scientific Name For The Hookworm

The scientific names of hookworm are Necator americanus and Ancylostoma duodenale. It is also known by the common name of New World Hookworm or the Old World Hookworm. It causes a disease called necatoriasis or ancylostomiasis. Hookworms are mainly found in tropical and sub tropical climates of the world.

Differences Between Flatworms And Roundworms

Flatworms are un-segmented worms and belong to the division of phylum Platyhelminthes. They do not have coelom, respiratory system or a circulatory system. These flat parasites acquire their food from a host and their digestive system is very peculiar with only one opening. Flatworms have egg stages have temporary larval forms. Flatworms have complex life cycles and they require multiple hosts.