Protista evolved before any other kingdom, and as such, share a most recent common ancestor with each other, as opposed to any other group, and therefore are not valid under evolutionary classification.
Further Explanation:
Protists are simple eukaryotic organisms, which are neither fungi, animals, nor plants. These are unicellular in nature, or they can be spotted as a colony of cells. Most of them are found in water, damp environments, or even as a parasite. Some of the examples of protists involve euglena, slime molds, algae, and plasmodium, which are able to perform photosynthesis. Such organisms are often unicellular; however, they can form colonies.
They are segregated into 3 main categories, namely, animal life protists, plant-like protists, and fungus-like protists, they vary in the way they move that can range from flagella, cilia, and pseudopodia. Kingdom Protista is not valid under the classification as they evolved prior to any other kingdom and shared a most recent ancestor with each other as opposed to any other group.
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Answer Details:
Grade: Middle School
Subject: Biology
Chapter: Kingdom classification
Keywords:
Protists, animals, plants, fungi, kingdom, slime molds, algae, plasmodium.
