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Bio Chap. 30

Biology chapter 30 fishes and amphibians

TermDefinition
tadpole fish-like larva of a frog or toad
nictating membrane transparent, moveable membrane that covers the eyes if an amphibian
caecilians highly specialized group of burrowing amphibians with small, bony embedded in their skin
swim bladder gas-filled sac used by a bony fish to control buoyancy
lateral line faint line of sense organs along the sides of a fish's body that detect vibrations in water
gill respiratory structure in fish that contains many blood vessels that aid in the absorption of oxygen
gill slit opening between gill arches through which water passes over the gills and out of the body
counter-current flow type of flow where water flows in one direction over the gills and the blood flows in the opposite direction
operculum hard plate that covers the gills of bony fishes
teleosts ray-finned fishes that have a caudal fin, scales and a swim bladder
tympanic membrane another name for the eardrum
lung internal, bag-like organ where gas exchange takes place
septum thick wall between the right and left chambers of the heart
pulmonary vein vein that carries oxygenated blood from the lungs to the heart
kidneys organs that filter water and wastes from blood and excrete products as urine
List the 3 main traits of Agnatha jaw-less, no backbone, retain notochord, small fins (if any)
Name 4 Key characteristics of fish fins, kidneys, endoskeleton, closed-loop circulation
External Fertilization Type of fertilization where the female deposits its eggs and the male fertilizes the eggs outside the female's body
List 4 characteristics of amphibians. legs, lungs, double-loop circulation, cutaneous respiration, partially divided heart
List the 3 main groups of amphibians salamanders, caecilians, frogs & toads
Name 3 kinds of fish that reproduce by using internal fertilization sharks, skates, rays
List 3 traits of Chondrichthyes paired fins, jaws, skeleton made of cartilage
List 3 characteristics of salamanders long tail, elongated body, smooth, moist skin
List the 3 groups of modern fishes Agnatha (jawless), Chondrichthyes (cartilaginous), Osteichthyes (bony)
Created by: agutzwiller