Parasites Endoparasite Ectoparasite Protozoa Metazoa Arthropods . 1) The body is long, eel like. Although great teachers may also possess a number of other wonderful qualities (like a sense of humor, personality, flexibility, kindness, leadership, classroom management, a calm demeanor, experience, and the ability to multitask), these are the qualities the best teachers universally possess. Main Characteristics of Vertebrates are given below: 1) Well developed brain. Bony fish not only have a hard, calcified skeleton, but a solid cranium protecting their brains as well. CATEGORIES. Fish eat other fish, fish eggs, mollusks, aquatic plants, algae, zooplankton, terrestrial insects, water birds, turtles, frogs, snakes and mice; A person who studies fish called an ichthyologist. Lamarck coined the term Molluscus. 4) Most possesses a through gut with a non-terminal anus. Clasper is the modified organ from pelvic fins. The Dipnoi are a group of sarcopterygiian fish, are are commonly known as the lungfish. Two types of eggs are laid by the bony fish. Living things respond. Temperature of Water5. Characteristics of Vertebrates. According to the behavior and characteristics of nature, they show diversity in their bodily structures. cyclostomes-General characters . Reptiles exhibit similar characteristics of other vertebrates like mammals, birds, and some amphibians. They are known as acellular or non-cellular organism. Introduction to the Dipnoi the lungfish. Living things metabolize. They are the eggs that float and the eggs that sink. Cartilage is a tissue that is a lot more flexible and lighter than bone. Reptiles also have chains of bony elements from the tail to the head. Ray finned fish have thin, flexible skeleton rays. You will learn how to develop detailed plans and drawings for such a fish … leading to pollution which is manifested dram atically as fish kill, offensive taste and odor. 12. The first one is one that you already knew: all fish live in water for their entire lives. Characteristics & Physiology of Bony Fish. Median fin is supported by cartilaginous fin-rays. It includes the lampreys and hag fishes. Kingdom: Protista. Fish physiology is the scientific study of how the component parts of fish function together in the living fish. Fins push fish through water. Characteristic of Osteichthyes. Share them with others and work together at the same time. Have more or less bony skeleton and numerous vertebrae In some species the males and females have different shaped bodies or different coloring; in other species there is no visible difference. 17 14. They have backbones that house the spinal cords that run the length of their bodies. Fish can detect immediate actions. Mouth is sub-terminal in position. Class 3. 18 15. class osteichthyes (bony fish) • backbone made of bone • freshwater & saltwater • gills with operculum (few have lungs) • fins - dorsal, caudal, pectoral, pelvic, anal. Sub kingdom Phylum Sub-phylum Genus- examples Species- examples Protozoa Sarcomastig-ophora further divided into Sarcodina-- - move by pseudopodia Entamoeba E. histolytica Mastigophora move by flagella Giardia G. lamblia Apicomplexa … Skeletal System of Fish. Living things maintain an internal environment. Subclass — Elasmobranchii: General characters: 1. General features of fishes include fins, streamlines and scales and tails. The sound that we hear around us is the type of energy made by the vibration that travels through the air or any other medium and can be heard when it reaches a person’s ear. General Characteristics of Pteridophytes PPT; Please LIKE EBC on Facebook. 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