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Answer:

The kingdom Protista includes all organisms -unicellular or multicellular- that lack classification in the animal, plant or fungi kingdoms.

Explanation:

Protista is a heterogeneous group of eukaryotic organisms that is divided into several groups, according to their morphological and functional characteristics.

This kingdom include unicellular and multicellular organisms -autotrophic or heterotrophic- in which the genetic lineage of each group is not very clear, although a common ancestor and the existence of parallel evolution (paraphyletic) can be determined.

The groups into which the Protista kingdom is divided are:

  1. Heterokonta.
  2. Rhizaria.
  3. Archaeplastida, which originated organisms of the Plantae kingdom.
  4. Alveolata.
  5. Excavata, whose classification has still been difficult.
  6. Opisthokonta, from which members of the Fungi and Animalia kingdoms descended.
  7. Amoebozoa.

Protists are said to be a heterogeneous group since no common characteristics have been identified among these different groups that could serve as a basis for defining them as a single whole.

Learn more:

Characteristics of the protists https://brainly.com/question/1977896

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