WebCharacteristics of flatworms. The soft body of a flat worm is ribbon-shaped, flattened on the back and bilaterally symmetrical. They are the simplest and most organ-bearing animals of the triploblastic group. The … WebFlatworms that live in the sea or in fresh water don't need top be parasites inside of animals. They just feed off of dead ones that they come across. Some of them have cilia which helps them with their movements while …

Ganglion Cyst Causes, Pain, Symptoms, Removal & Treatment

WebFlatworms can adapt to many conditions, which makes them able to adapt to an enormous variety of habitats. They play important roles for healthy streams, ponds, and lakes. They also provide food foranimals, like dragonflies, when they are young. Flatworms act as parasites in the human body, especially in their intestines and digestive tracts. Web1. : a small cystic tumor connected either with a joint membrane or tendon sheath. 2. a. : a mass of nerve tissue containing cell bodies of neurons external to the brain or … discb shares

Ganglia Definition & Meaning - Merriam-Webster

WebCerebral ganglia. Two clusters of nerve cells which serve as a simple brain in planaria and other flatworms. Cestoda. Tapeworm class Students also viewed. Shooting an Elephant. 19 terms ... Flatworms and Roundworms. 77 terms. Will_Kelly22 Teacher. Annelid Review. 50 terms. Chickens122024. The planarian has very simple organ systems. The digestive system consists of a mouth, pharynx, and a gastrovascular cavity. The mouth is located in the middle of the underside of the body. Digestive enzymes are secreted from the mouth to begin external digestion. The pharynx connects the mouth to the gastrovascular cavity. This structure branches throughout the body allowing nutrients from fo… WebCerebral ganglia are multiple ganglions which are just clusters of nerve cells. These nerve cells exist in large and numerous clusters in the head of the animal as a sort of primitive brain. disc buckle scaffolding manufacturers