Annelida, commonly known as segmented worms
, inhabit the seas, freshwater and subterranean locales and range from barely visible to over six meters.
During his career he published important papers on the anatomy and physiology of nervous systems in nearly all major animal groups--coelenterates, segmented worms
, arthropods, echinoderms, molluscs, and chordates.
Baco-Taylor and other scientists have reported an abundance of snails, little amphipods that look like shrimp, and segmented worms
The researchers were appalled, replying that, for example, many of the oddest-seeming Burgess Shale beasts were perfectly orthodox segmented worms
The team, led by Jacob Kerby, an assistant professor at the University of South Dakota, based its analysis on information gleaned from the Environmental Protection Agency's (EPA) Aquatic Toxicity Information Retrieval database, examining 1,279 species, among them segmented worms
, fish, bivalves such as clams, insects and snails.
Washington, April 23 (ANI): In a new research, scientists used DNA analyses to discover that one of the most common segmented worms
is actually two types of worm, leading to the hypothesis that animals that seem identical may belong to completely different species.