The transition from a cyanobacterial to algal world and the emergence of animals
The Neoproterozoic, 1000-541 million years (Myr) ago, saw the transition from a largely bacterial world to the emergence of multicellular grazers, suspension feeders and predators. This article explores the hypothesis that the first appearance of large, multicellular heterotrophs was fueled by an elevated supply of nutrients and carbon from the bottom of the food chain to higher trophic levels. A refined record of molecular fossils of algal sterols reveals that the transition from dominantly...[Show more]
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|Source:||Emerging Topics in Life Sciences|
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