How does age distribution help in study of population?
Or
Give representation of a declining pyramid of age for human population.
Or
Give representation of stable pyramid of age for human population?
Parasite. The organism, which obtains its food or nourishment from the other without directly killing it, is known as parasite.
Host. The second organism which provides food and harbours the parasite is named as host.
Parasites are of two kinds-
Endoparasite is the parasite that lives inside the body of the host.
Ectoparasite is the parasite which lives on the outside of the body of the host e.g. Leech, Louse, Bed bug.