The major lineages derived from LECA (last eukaryotic common ancestor)are termed _______________________.

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The major lineages derived from LECA are not considered to be distinct kingdoms or phyla, nor are they classified within the three domains of life (Bacteria, Archaea, Eukarya). Instead, they are referred to as "supergroups" in recognition of the fact that they represent the highest-level grouping of eukaryotes that is supported by molecular and morphological data. These supergroups include the Archaeplastida, SAR (Stramenopiles, Alveolates, Rhizaria), Excavata, and Opisthokonta.

The Major Lineages Derived from LECA (Last Eukaryotic Common Ancestor)are