Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.
This figure presents a modern tree of Life, highlighting eukaryotes (organisms with complex cells) based on genome-scale analyses from Valt et al. (2025). The newly identified and ancient supergroup ...
Protists represent a remarkably diverse group of unicellular and simple multicellular eukaryotes that occupy a broad spectrum of ecological niches. Recent advances have greatly enhanced our ...
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