What are Protists?

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What are Protists? Blog Image


A recent DNA analysis of a protist has revealed surprising deviations in the genetic code of a microscopic organism.

About Protists:

  • Protists are a diverse collection of organisms that do not fit into animal, plant, bacteria, or fungi groups.
  • Kingdom Protista is one of the six kingdoms of life (the others being Eubacteria, Archae, Fungi, Plantae, and Animalia).
  • Protists are believed to be the common ancestral link between plants, animals, and fungi from which these three groups branched out in the process of evolution. 
  • Protists are eukaryotes as they possess a nucleus and other membrane-bound organelles (structures that perform a specific job). 
  • The majority of them are unicellular, like an amoeba; however, a few protists are multicellular, like seaweed.
  • However, multicellular protists do not have highly specialized tissues or organs.
  • Most protists have mitochondria, the organelle that generates energy for cells to use. The exceptions are some protists that live in anoxic conditions or environments lacking in oxygen.
  • Habitat: Nearly all protists exist in some type of aquatic environment, including freshwater and marine environments, damp soil, and even snow.
  • Many protists, such as algae, are photosynthetic and are vital primary producers in ecosystems.
  • Some protists are responsible for a range of serious human diseases, such as malaria and sleeping sickness.


Q1) What is DNA?

Deoxyribonucleic acid, more commonly known as DNA, is a complex molecule that contains all of the information necessary to build and maintain an organism. All living things have DNA within their cells.It also serves as the primary unit of heredity in organisms of all types.

Source: Rules Of DNA "Rewritten" By Tiny Organism Discovered In A Pond