👉 Paroecanthus is a class of organisms that have evolved from single-celled unicellular organisms, such as amoebae, which are part of the eukaryotic kingdom. These organisms share many similarities with multicellular organisms, including their ability to develop into more complex structures, but also some key differences:
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Evolution
: Paroecanthus arose independently from a common ancestor, likely during the Cambrian explosion or the formation of the first eukaryotes.