PPT-THE FISHES

JEOPARDY How things work Bony Fish Anatomy Circulatory System Digestive System 100 100 100 100 100 200 200 200 200 200 300 300 300 300 300 400 400 400 400 400 500 500. Invertebrate chordates. Tunicates and lancelets. Vertebrate chordates. Fishes. Amphibians. Reptiles. Birds. Mammals. Nonvertebrate Chordates . Tunicates (sea squirts). Squirt water when their siphons are disturbed. Biology 342. Phylogeny . of . Basal . Tetrapoda. The group of bony fishes that gave rise to land-dwelling vertebrates and their descendants (. Tetrapoda. , or colloquially, “. tetrapods. ”) was the lobe-finned fishes, or . Characteristics of all Fish. All fish are . aquatic. All fish are . vertebrates. All fish have . gills. All fish have appendages in the form of . fins. Most. fish have skin with . scales. Different Groups of Fishes. Notothenioid. Fishes. by: Priscilla Watson-Wynn. Antarctica. Fifth largest continent. The world’s most southern continent. Surrounded by Southern Ocean. 98% covered in ice sheet & 2% barren rock. The . Protochordates. as Ancestors. Some living chordate groups may resemble the primitive vertebrate ancestors (. protochordates. ). Hemichordates. Burrows in marine sediments (acorn worms). (+) pharyngeal gill slits; . The . Protochordates. as Ancestors. Some living chordate groups may resemble the primitive vertebrate ancestors (. protochordates. ). Hemichordates. Burrows in marine sediments (acorn worms). (+) pharyngeal gill slits; . Scientific Classification-. Class . Osteichthyes. Class . Osteichthyes. includes all bony fishes. . Like all fishes, . Osteichthyes. are cold-blooded vertebrates that breathe through gills and use fins for swimming.. Where does it start?. Part 1. Phylum Chordata. Animal Kingdom. Vertebrates over here. Chordata (animals with notochord at some stage in life cycle). Craniata (euchordates with a cranium) = Vertebrata. N. ature of the Membrane. Team. Mawadda. Al-. Naeeli. Pat . Cipriano. , Kim Conner, . Lopa. Das,. Thea. Edwards, Tara Luke. Facilitators: Michelle Withers & Karen York. Goal. Understand how the chemical structure of cell membranes underlie their function and adaptability.. Response of fishes to flow. Gido. and . Propst. 2010. Flow variation in the San Juan River. Flow variation in the San Juan River. 56 m. 3. /s ~2000 . cfs. 14 m. 3. /s . ~. 500 . cfs. Gido. and . Propst. Origin. Position. Anatomy. Ovaries. Testes. Testes in different groups. Structure of ovary. Structure of testes. Cyclic changes in gonads. Intermittent organs. Reproductive strategies. Acknowledgements . coloured. . . Colouration. is one of the most common phenomena found among the fishes.. The enormous range of . colours. and patterns that produced in fishes are generally related to their habits.. Page 39, . text. Precambrian. Phylogeny of the Fishes. The first vertebrates to appear in the fossil record occurred in the late Cambrian Period (. ~. 500 mya). These were jawless armored fishes known as . Prof. Dr. . Mohammad . Hamed. . Bahnasawy. .  . Prof. of fish . biology . Zoology Department. Faculty . of . Science. . Damietta . University. The negative aspects. 1- Poisonous and venomous fishes.