They are softbodied invertebrates with long, narrow bodies. They posses a digestive system, a circulatory system and a nervous system. Their bodies are covered by anouter covering (cuticle) made of tough but flexible collagen. Polychaetes (meaning many bristles) are (often) brightly coloured segmented worms.The leeches digestive system are the same as the other organisms in its phylum but because its body is quite different, they way their digestive system is set up can be seen as different. Unlike the other animals, the leech has a jaw. The jaw is located on the anterior side of the body. segmented worms digestive system
What is segmented digestive system, appendages Segmented digestive system is a body characteristics of some animals; something connected or joined to a larger or more important thing like earthworm.
Digestive system in Earthworms. In earth worms, the digestive system begins in the mouth where food is sucked in by a pharynx where it later goes down the esophagus through peristalsis. The food then transfers to the crop, a part of the worm below the ventral nerve and ahead of the Gizzard. The food moves to intestine where May 31, 2018 Digestive System of an Earthworm. Earthworms are examples of non chordates, that live within burrows of composting, moist soil. Pheretima posthuma, the common species of earthworms, is usually given to kids for their biology experiments while studying the anatomy of an earthworm. The earthworm biology basically consists of an elongated, segmented worms digestive system May 31, 2010 If worms remain in the sunlight for too long, they can become paralyzed. All major nervous, circulatory, and digestive organs are located near the head. The posterior segments, which are nearly identical to each other, contain peripheral structures for all of these systems. This means that if you cut the worm in half, it will die.
How can the answer be improved? segmented worms digestive system The annelids include earthworms, polychaete worms, and leeches. All members of the group are segmented, in other words, made up of segments. Segmentation is also called metamerism, which is a linear sequence of body segments. Segments each contain elements of such body systems as circulatory, nervous, and excretory tracts.Rating: 4.67 / Views: 371