Protists are considered at a lower level of evolution, Darwin's theory points to Natural selection as the key driver of evolution, and Biodiversity reflects the richness of species in an area.
Protists are found at a lower level of evolution according to modern understanding, as their classification and relationships have been evolving due to genetic and morphological analyses.
The most important driving force of evolution according to Darwin's theory is Natural selection, where favorable traits are selected for survival and reproduction.
Biodiversity describes the number of different species in the biosphere or in a specific area, reflecting the variety of life forms present.
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