The exact structure of the organ varies between filter-feeding animals. Filter feeders can also vary greatly in size. For example, baleen whales are filter feeders but so are tiny krill. The food they ...

Furthermore, Stamp and Lefse analysis revealed that the level of difference between rhizosphere and non-rhizosphere soils exhibited variations from phylum to family. For example, the abundance of ...

Genome contractions in various lineages have diminished genetic toolkits for DNA methylation and for retinoic acid signalling, providing examples of the inverse paradox. It is thought that changes ...

Figure 1. Reconstruction of the L-rhamnose utilization pathways in bacteria. Solid gray arrows indicate enzymatic reactions, and broken arrows denote transport. Enzyme classes and families of ...