WebA siphon is an anatomical structure which is part of the body of aquatic molluscs in three classes: Gastropoda, Bivalvia and Cephalopoda (members of these classes include saltwater and freshwater snails, … WebJun 8, 2024 · Coelom Definition. The coelom is a body cavity found in metazoans (animals that develop from an embryo with three tissue layers: ectoderm, mesoderm, and …
Gastropod - Shells and body structure Britannica
Web1. Students will identify the external anatomy of a clam and describe the function of important external features. 2. Students will explain the major internal organs of a clam and their functions related to swimming, digestion, and respiration. 3. Students will demonstrate dissection skills (for live dissections). Support Materials: 1. A clam's shell consists of two (usually equal) valves, which are connected by a hinge joint and a ligament that can be internal or external. The ligament provides tension to bring the valves apart, while one or two adductor muscles can contract to close the valves. Clams also have kidneys, a heart, a mouth, a stomach, and a nervous system. Many have a siphon. power bank solarny ranking 2022
Starfish Anatomy - Biology Wise
WebLike all mollusks, a clam has a mantle which surrounds its soft body. It also has a muscular foot which enables the clam to burrow itself in mud or sand. The soft tissue above the foot is called the visceral mass and contains … WebA bivalve's soft body is protected on both sides by the mantle lobes. The space within is called the mantle cavity. Usually both mantle lobes are partly grown together, leaving three openings, two, through which water enters and leaves the cavity, providing the mussel with food and oxygen, and a third opening for the foot to leave the shell. WebDigestive System * Food enters the clam through lip-like structures called labial palps and goes into the mouth. Food then moves down the esophagus and into the stomach, which is found within the liver. Waste materials go … powerbank solcelle test