Web(Student Sheet 3.2) F. Lisa says that, in addition to being fair- ly active, blackworms are much larger than organisms usually studied through the microscope. Because of this, she believes blackworms have a more com- plex way of moving food and oxygen through their bodies. What evidence have you observed to support Lisa's statement? WebA biological gill is an organ that allows dissolved oxygen from the water to pass (by diffusion) into an organism’s body. In insects, gills are usually outgrowths of the tracheal system. They are covered by a thin layer of cuticle that is permeable to both oxygen and carbon dioxide. In mayflies and damselflies, the gills are leaf-like in ...
Icefish Study Adds Another Color to the Story of Blood
WebBlackworms have a closed circulatory system, which transports nutrients and oxygen using blood. The blackworm has a large dorsal (moving from the back) blood vessel that is very … WebBlackworms have several complex organ systems including a closed circulatory system, which transports nutrients and oxygen; a complete digestive tract; and a nervous system, which includes a brain and a nerve cord. Using their nervous system, the blackworm can … how to run alienware command center
Answered: How do flatworms accomplish gas… bartleby
WebSome producers are chemosynthesizers (using chemicals to make food) rather than photosynthesizers; instead of using sunlight as the source of energy to make energy-rich … WebBoth free-living and parasitic platyhelminths utilize oxygen when it is available. Most of the parasitic platyhelminths studied have a predominantly anaerobic metabolism (i.e., not … WebJan 29, 2024 · There is no need for a special circulatory system as a human has because the flatworm doesn’t breathe with lungs and doesn’t need to transport oxygen around its body. The flatworm simply diffuses oxygen via its skin. This occurs wherever it may need the oxygen. Where does respiration occur in the planarian? northern nights bedding uk