Early Cambrian fossils reveal how a small, shelled animal evolved to deal with attacks from a predator. The finds confirm a popular hypothesis, until now lacking in clear evidence, about what ...

That would be the human equivalent of what one single-celled predator can do - and now the long-standing mystery of how it can extend its "neck" more than 30 times the length of its "body" has ...

Journal of Experimental Biology 208, 809-819 (2005). Grabowski, J. H. Habitat complexity disrupts predator-prey interactions but not the trophic cascade on oyster reefs. Ecology 85, 995-1004 (2004).

Described in the journal Current Biology, the study provides the first demonstrable record of an evolutionary arms race in the Cambrian. "Predator-prey interactions are often touted as a major ...