âº a large bag used to carry things on your back, used especially by people who go camping or walking: It's a frame backpack with a belt and padded shoulder straps. Thesaurus: synonyms and related words. Containers for carrying personal possessions. attachÃ© case. baggage.
Protists and other single celled organisms move by either the use of Cilia, fagellae or by pseudopodia.Cilia are short hair-like structures which help the organism move with a wave like motion there are usually many over the animal's surface. Flagellae are single whip like organelles which propel the organism.rotists and other single celled organisms move by either the use of Cilia, fagellae or by pseudopodia.
Protists were traditionally subdivided into several groups based on similarities to the higher kingdoms: the unicellular animal-like protozoa, the plant-like protophyta (mostly unicellular algae), and the fungus-like slime molds and water molds.any protists are flagellate, for example, and filter feeding can take place where the flagella find prey. Other protists can engulf bacteria and other food particles, by extending their cell membrane around them to form a food vacuole and digest them internally, in a process termed phagocytosis.