Who came first – sponges or comb jellies? A new study reaffirms that sponges are the oldest animal phylum – and restores the classical view of early animal evolution, which recent molecular analyses ...
The archaeal domain is currently divided into two major phyla, the Euryarchaeota and the Crenarchaeota, based on the RNA component of the small ribosomal subunit (SSU rRNA). During the past few years, ...
The arbuscular mycorrhiza (AM) symbiosis is formed by a monophyletic group of fungi from the phylum Glomeromycota and the roots of 70–90% of land plant species. AM fungi are considered to be 'living ...
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