Annelida (Segmented Worms) is a phylum of animals. There are 20167 species of Segmented Worms, in 2085 genera and 174 families. It includes groups like Peanut Worms. They are parasites.
Definition: position of an organism in a food web. May be described verbally with descriptors including primary producer, herbivore or carnivore. If described numerically, 1 indicates a primary producer, 2 a herbivore, and so on up the food web.