BIOL 2030 Study Guide - Quiz Guide: Filter Feeder, Swim Bladder, Basking Shark
13 Mar 2017
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Parasitic; use suckers like teeth to attach itself to prey, rasp hole in body with rasping tongue and suck out the body fluid. Lack jaw so no movement of the mouth. Almost all of them are predators but few exceptions (basking shark. Streamlined body and paired fins, move by moving tail and trunk side to side. Kidneys send waste out through anus and keep sodium levels regulated. Tolerant own nitrogenous waste, kidneys flush it out. Also have high body conc. to combat water loss. Digestive tract consists of glands, liver, gallbladder, pancreas. Swim bladder to control buoyancy, have fins, a tail with a movement of side-to-side. Change nitrogen to ammonia; use kidneys and anus to eliminate wastes from body. Closed circulatory system; 2 chambered heart, atrium, ventricle, and blood vessels. Some external and some internal fertilization, viviparous and oviparous. Long digestive systems enable them to break down plant material. Sticky tongues as long as bodies that catch prey.
