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Today, classification (taxonomy) of bacteria is primarily based on their phylogeny (evolutionary history), which can be determined by sequence analysis of the 16S rRNA gene. This approach has revolutionized bacterial taxonomy and many species have been reclassified and their names have been...

Johansson, K. E.; Jansson, D. S.; Pringle, M.; Rǻsbäck, T.; Tamm, S.; Fellström, C.
Sveriges Veterinärförbund, Stockholm, Sweden
Svensk Veterinärtidning, 2008, 60, 11, pp 11-18

The seasonality of temperate areas is very demanding for butterflies and other insects. Through natural selection, a number of adaptations have been created to meet these demands: migration, seasonal morphs and plastic (flexible) life cycles. Recent research has shown that butterfly larvae make use ...

Nylin, S.
Entomologisk Tidskrift, 1996, 117, 1/2, pp 1-10