Parasitic Animals

acquired adult phase Ascaris lumbricoides attached bacteria become beef tapeworm belonging bite bladderworm blood flukes blood-sucking bovis called cause caviae cercariae Crustacea Cysticercus definitive host develop disease effects Eimeria embryo enter example excreta Fasciola hepatica feed female fertilised egg fish tapeworm flies food canal gametes gametocytes genus gills glands grub hatch hooklets hookworms host's blood host's body host's surface human blood human hookworm infective larvae infective phases innate resistance inside instance intermediate host kinds of parasitic large numbers larvae larval phases leeches live liver fluke lungs malarial parasites male merozoites method microns miracidium mite mosquito mouth muscles non-parasitic occurs oocyst parasitic animals pass penetrate Plasmodium plerocercoid pork trichina-worm produce Protozoa rediae roundworms Sacculina sexual sitic animal skin small intestine snails species of parasitic species of roundworms species of tapeworms sporozoites stomachworm suck blood suckers swallowed Taenia tapeworm heads ticks transmitted trypanosomes usually wall warble-fly young