why are excavates important
Oct 7, 2014. The excavates are a major assemblage of protists, often known as Excavata. The phylogenetic category Excavata contains a variety of free-living and symbiotic forms, and includes some important parasites of humans. (Wikipedia) Excavata are a supergroup of protists that are defined by an asymmetrical appearance with a feeding groove that is excavated from one side. Giradia Some are parasitic and are of important to humans because of the diseases that they cause and the economic loses. Thee examples are: 1.