EVERYDAY SCIENCE

Detailed explanation-1: -The organisms that parasitize humans include fungi, leeches, lice, viruses, protozoa, tapeworm, etc. Few organisms such as Helminthes live inside the intestine of the host and causes several infectious diseases, such as jaundice, malnutrition, diarrhoea, etc.

Detailed explanation-2: -A tapeworm is a parasite that can live and feed in human intestines. This is called a tapeworm infection. A young and inactive form of the tapeworm is called a larval cyst.

Detailed explanation-3: -That is called parasitism. An example of this is a tapeworm in a human. The tapeworm gains nourishment, while the human loses nutrients. In other symbiotic relationships, one of the organisms benefits and the other is neither helped nor harmed.

Detailed explanation-4: -A few examples of parasites are tapeworms, fleas, and barnacles. Tapeworms are segmented flatworms that attach themselves to the insides of the intestines of animals such as cows, pigs, and humans.

Detailed explanation-5: -Examples of parasitism are the helminths (worms) in the intestines of the host, lice (Pediculus humanus capitis) in human head, Plasmodium species transmitted by anopheline mosquito and causing malaria in humans.