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Protists show a wide variety of feeding habits, reproductive cycles and modes of locomotion. Some are autotrophs, using pigments to harness solar energy and convert it into simple carbohydrates. Some others are heterotrophs like amoeba and consume other organisms for food.
Protists are a diverse group of eukaryotes (organisms whose cells possess a nucleus) that are primarily single-celled and microscopic but exhibit a wide variety of shapes and life strategies.
Protist, any member of a group of diverse eukaryotic, predominantly unicellular microscopic organisms. They may share certain morphological and physiological characteristics with animals or plants or both.
What is protist & kingdom Protista. Where do they live & how do they move. Learn its facts, classification, nutrition, reproduction & cell structure with a diagram.
Examples of protists include algae, amoebas, euglena, plasmodium, and slime molds. Protists that are capable of photosynthesis include various types of algae, diatoms, dinoflagellates, and euglena. These organisms are often unicellular but can form colonies.
By: Kate Latham. Reviewed by: BD Editors. Last Updated: April 26, 2021. Protists are eukaryotic organisms belonging to the Kingdom Protista. Protists are highly diverse and do not have much in common with one another.
Examples of Protists. Protists exhibit stimuli sensitivity and respond to different environmental stimuli like light and gravity. In most photosynthetic protists, light or photostimulus also serves as direction-guiding stimuli, i.e. phototaxis. For the purpose of phototaxis, protists have developed a photoreceptor or ‘eyespots‘.
Protists are one of the six kingdoms of life. They are simple eukaryotic microorganisms that do not fall into the plant, animal, bacteria or fungus groups.
Some have huge, macroscopic cells, such as the plasmodia (giant amoebae) of myxomycete slime molds or the marine green alga Caulerpa. Some protists are multicellular, such as the red, green, and brown seaweeds. It is among the protists that one finds the wealth of ways that organisms can grow.
The cells of protists are among the most elaborate of all cells. Most protists are microscopic and unicellular, but some true multicellular forms exist. A few protists live as colonies that behave in some ways as a group of free-living cells and in other ways as a multicellular organism.