Why Are Echinoderms More Advanced Than Arthropods? They don’t use large muscles working on large body parts like many other animals. Instead they move, feed and breathe with a unique water-vascular system ending in hundreds of water-filled tube feet How are echinoderms different from arthropods? Answer:The primary difference between arthropods and echinoderms is their covering.
Are Earthworms Related To Leeches? Leeches are annelids or segmented worms, and although closely related to the earthworms, are anatomically and behaviourally more specialised. Where do you classify leeches and earthworms? Phylum Annelida contains the class Polychaeta How are earthworms and leeches alike? leeches. Leeches are segmented, and thus annelids, and like earthworms they lack
Is An Annelid An Amphibian? Worms are neither insects nor amphibians; they are annelids. What organisms are annelid? The annelids include earthworms, polychaete worms, and leeches. All members of the group are to some extent segmented, in other words, made up of segments that are formed by subdivisions that partially transect the body cavity. Segmentation
What Is The Exoskeleton Of Annelida? All annelids are segmented. … The annelid body is covered by a moist outer cuticle that is secreted by the epidermis . Both earthworms and bristleworms also possess hairlike setae, composed of chitin , the hard material that also forms the exoskeletons of insects. These are absent in leeches.
What Is The Main Characteristic That Separates Annelids From Other Worms? Annelids are segmented worms whereas roundworms What do segmented worms use to help them move through soil? Segmentation can help the earthworm move. Each segment or section has muscles and bristles called setae. The bristles or setae help anchor and control the worm when
Do Worms Have A Body Cavity? Do worms have a body cavity? flatworms Which worm has a body cavity? annelid, phylum name Annelida, also called segmented worm, any member of a phylum of invertebrate animals that are characterized by the possession of a body cavity (or coelom), movable bristles (or setae), and a body divided