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.
Fungus-like protists. Heterotrophs which have cell walls, and use spores to reproduce. They are able to move at some point in their lives. The three types of funguslike protists are slime molds, water molds, and downy mildews.n algal bloom that occurs in salt water because of an increase in nutrients in the water. They are dangerous when the toxins that the algae produce become concentrated in the bodies of organisms that consume the algae.