Ch 39/40 – Fish/Amphibian A. AgnathaD. Anura B. Condrichtheyes E. Urodela C. OsteichthyesF. Apoda...

Ch 39/40 – Fish/Amphibian

A. Agnatha D. AnuraB. Condrichtheyes E. UrodelaC. Osteichthyes F. Apoda

• Toad• D• Caecilian• F• Bass• C


• Fishes depend on their_________ for balance, steering, and swimming. These structures are fan-shaped membranes supported by stiff spines.

• FINS• Breeding in fishes is called____________.• SPAWNING• Amphibians differ from lobe-finned fishes and most other

fishes in that they take in oxygen through their __________ and skin.

• LUNGS• Salamanders and ________ are amphibians with a

distinct head, tail and limbs.• NEWTS


• TRUE OR FALSE

• Lobe-Finned fishes were the ancestors of amphibians:• TRUE• There are 8 classes of vertebrates today:• FALSE• Caecilians are tropical, nocternal and have 4 legs• FALSE• Sharks have a swim bladder:• FALSE


• The ________ of a fish can be toothlike, diamond-shaped, cone-shaped or round. These structures are made of bone formed from the skin.

• SCALES• The skeletons of lampreys, hagfishes, and sharks are

made of tough, flexible material called___________.• CARTILAGE• Frogs and toads are amphibians of the order________.• ANURA• In amphibians, “skin breathing” is called

_______respiration.• CUTANEOUS



• Skate• B• Hagfish• A• Ray• B


• Amphibians achieve more efficient circulation than fishes because of their ________-loop circulatory system.

• 2• Young frogs respire using _______, while adult frogs

respire using _______ and skin.• GILLS, LUNGS• All fishes posses a(n)________ which permit them to

detect movement and vibrations in the water.• LATERAL LINE SYSTEM• Many bony fishes posses a(n)__________which can

control the depth in the water.• SWIM BLADDER


• Perch, Bluegill, Trout are members of the class_____.

• OSTEICHTHEYES• Sharks have __________fertilization.• INTERNAL• Fishes have a ________chambered heart• 2• Amphibians have a _______chambered heart.• 3



• Shark• B• Lamprey• A• Frog• D


• The tympanic membrane is another word for the ________.

• EARDRUM• The process of change that transforms a tadpole

into an adult frog is called_____________.• METAMORPHOSIS• The male Darwin’s frog protects maturing eggs

by enclosing them in its_________• MOUTH• The word “agnatha” means__________• JAWLESS



• Walleye• C• Hagfish• A• Ray• B


• The word “condrichtheys” means ________.• CARTILAGE FISH• The word “amphibian” means ___________.• DOUBLE LIFE• The word “osteichtheys means __________.• BONY FISH• The structure that covers the gill chamber in fish

is called the • OPERCULUM



• Salamander• E• Bluegill• C• Newt• E


• Ectothermic means ________.• “COLD BLOODED”• This amphibian is “worm like”_____________.• CAECILIANS• Frogs are _________ while toads are more

____________ (hint: habitat)• AQUATIC, TERRESTRIAL• Do fish or amphibians have a more efficient

circulatory system.• AMPHIBIANS


• TRUE OR FALSE

• Jawless fishes were the first vertebrates to evolve:• TRUE• In amphibians, reproductive cells and waste exit the

body through the cloacal opening:• TRUE• Members of the class Osteichthyes have skeletons

made of cartilage:• FALSE• The first fishes to develop jaws were called spiny fishes,

members of the class Acanthodia• TRUE


• “skin breathing”• CUTANEOUS• The order name for Caecilians:• APODA• Sharks may lose __________ teeth in their

lifetime.• 20,000• Salamanders : tails::• CAECILIANS : NO LEGS


• Fish exhibit a process called ______ _____, which enables maximum diffusion of oxygen into the blood.

• COUNTER CURRENT FLOW• An example of a condrichtheys :• SHARK, SKATE, RAY• Jaws were thought to evolve from:• GILL ARCHES• Toothlike spine that covers the skin of

cartilaginous fishes• PLACOID SCALE

Ch 39/40 – Fish/Amphibian A. AgnathaD. Anura B. Condrichtheyes E. Urodela C. OsteichthyesF. Apoda...

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