Swimming in Fish 0.0 / 5 ? OtherWildlife EcologyUniversityNone Created by: Maria5Created on: 04-05-19 19:40 The main body muscles in fish are arranged in discrete segments called? Myotomes 1 of 26 Each myotome is separated by thin stiff sheets of collagenous tissue called? Myosepta 2 of 26 What are the two main types of fish muscle? Red and White 3 of 26 Is more of the muscle white or red? White 4 of 26 The --- moving waves push against the water and drive the fish --- backwards, forwards 5 of 26 Buoyancy of lipids or the air in swim bladders counteracts the weight of the fish 6 of 26 The --- --- generated by the muscles must overcome the --- of the body in the water forward, thrust, drag 7 of 26 what is swimming speed measured in? Lengths per second 8 of 26 What is pressure drag? The pressure of pushing against the water 9 of 26 What is skin friction drag? The friction of the skin 10 of 26 What is the best shape to minimise pressure drag? Cigar shaped 11 of 26 What is the best shape to minimise skin friction drag? Spherical 12 of 26 A smooth flow of water over the skin that generates minimal drag is known as? Laminar flow 13 of 26 When does laminar flow break down to cause turbulence resulting in drag? When speed is increased 14 of 26 Mucus secreted onto the surface of the skin improves what? Laminar flow 15 of 26 Ctenoid scales in the caster oil fish act as vortex generators that stabilize the --- --- boundary layer 16 of 26 Fast prolonged swimming - low drag e.g. tuna have... High aspect ratio fins 17 of 26 Good manoeuvrability and acceleration - high drag e.g. Leaping salmon have.... Low aspect ratio fins 18 of 26 Does oxygen consumption increase or decrease exponentially with increased swimming speed Increase 19 of 26 What is the aerobic capacity? The maximum oxygen consumption 20 of 26 What muscles do fish use for burst swimming? White 21 of 26 How long can it take up to for a fish to recover from burst swimming? 5 hours 22 of 26 During burst swimming small fish can reach --- and large fish --- 30BLs-1 , 20BLs-1 23 of 26 What % volume does red muscle take up? 10% 24 of 26 White muscle has good blood supply False 25 of 26 Does white muscle use aerobic or anaerobic respiration? Anaerobic 26 of 26
Comments
No comments have yet been made