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.
algae (singular, alga) plant-like protists such as diatoms and seaweeds; amoeboid type of protozoa, such as Amoeba, that moves with pseudopods; ciliate type of protozoa, such as Paramecium, that moves with cilia; flagellate type of protozoa, such as Giardia, that moves with flagella; kelp