WebThe animal's body is split into only two parts; a head and a tail. The animal's heart and lungs are found in the upper segment of the body and the remaining organs in the lower segment. The animal's body can be divided into two equal parts through a number of planes passing through the central axis. WebAnnelids are mostly vermiform (worm-shaped), with an anterior (frontal) mouth preceded only by the prostomium, bearing sensory organs; the anus is posterior. Most have …

Annelida - The Digestive System

Webcomplete digestive tract, have mouth and radula. what is a radula in mollusca? rasping tongue-like organ. are molluscks lophotrochozoans and protostomes? yes. ... how do annelids respire? diffusion or parapodia. digestive tract/digestion of annelida. complete digestive system. WebThe head consists of a mouth (prostomium) and sometimes a peristomium. What do annelids have that other worms dont? In addition to a more specialized complete digestive system, annelid worms have also evolved body features not found in flatworms or nematodes. These features appear in some form in all larger, more complex animals: a … foot pedal pitching machine

Cephalization of Earthworms - Nature ScienceBriefss.com

WebVerified answer. physical science. Silver tarnishes because it reacts with the small amounts of smelly hydrogen sulfide, \mathrm {H}_2 \mathrm {~S} H2 S, we put into the air as we … Web1) Sponges 2) Cnidarians 3) Flatworms 4) Nematodes 5) Arthropods 6) Mollusks 7) Annelids 8) Echinoderms 9) Chordates What are the basic traits of animals? … WebDo tapeworms have mouths? What are the functions of their hooks and suckers? No, the hooks & suckers are used to attach to the hosts so that the worm can then ingest … foot pedal pc switch