Zoology 3Rd 9Wks

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Time period known as the Age of Fishes

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Devonian

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Also known as Caudata

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Urodela

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Salamanders, newts, and mudpuppies

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Caudata

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This term refers to fish that spend their adult lives at sea but return to freshwater to spawn

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Anadromous

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Teeth on the roof of a frog's mouth

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Vomerine

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Term for organisms in which the babies are born alive from their mother

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Viviparious

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Thin membrane enclosing the fluid in which the embryo floats ( fluid serves to cushion the embryo and prevent dehydration)

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Amnion

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Growing body parts back

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Regeneration

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Non-metamorphic salamanders that can practically grow back any body part multiple times

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Axolotls

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The old spanish word for tortoise

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Galapogo

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Largest tortoise on Earth

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Galapagos tortoise

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Bony fish use this gas-filled organ for buoyancy

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Swim bladder

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Outermost membrane of the egg; surrounds all other membranes and protects embryo

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Chorion

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Stores metabolic wastes produced by the embryo

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Allantois

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Term for organisms in which the babies develop from an egg inside the mother and are later born

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Ovoviviparous

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Special eyelids that amphibians use when they go under water

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Nictitating

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Largest Anuran in the world

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Goliath

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Skin breathing

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Cutaneous respiration

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Organisms that let us know if an environment is healthy or not

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Bioindicators

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Modified pelvic fins on male cartilaginous fish

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Claspers

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Legless amphibians

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Caecilians

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Another term for nekto; refers to animals that spend their time swimming through ocean waters

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Pelagic

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Refers to bottom-dwelling animals that spend their time at the bottom surface of the ocean

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Benthic

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Body shape of fish; allows them to move rapidly in water

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Streamlined

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Helps maintain fishs' ventral position in the water

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Buoyancy

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Increased fishs' stability and maneuverability

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Paired fins

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Colorful, venomous fish species that has invaded the Atlantic

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Lionfish

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Mammals that lay eggs

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Monotremes

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A mammal that lays an egg

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Duck-billed platypus

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Name for the group of jawed vertebrates

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Gnathostomata

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Body shape of sharks; designed to reduce water resistance

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Fusiform

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Means " no tail"

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Anura

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Frogs and toads

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Anura

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Fish are members of this subpylum

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Vertebrata

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Lethal fungal disease of amphibians

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Chytridiomycosis

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Additional protein and water in the egg; this is like the egg white of a chicken egg

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Albumen

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Means "Double-life"

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Amphibian

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The first vertebrates to live on land

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Amphibians

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Like leeches, lampreys secrete this into their hosts to promote blood flow and help prevent blood clotting

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Anticoagulant

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A group of extinct armored fish

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Placoderms

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Largest aquatic salamander in the USA

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Hellbender

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The larva of all amphibians

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Tadpoles

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One of the few salamanders known to make noise and remain aquatic as adults

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Mudpuppies

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Study of amphibians and reptiles

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Herpetology

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Encloses yolk ( fat-rich food supply for the developing embryo)

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Yolk sac

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Help reptiles break out of their shell

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Horny tooth

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Substance produced by hagfish from special glands that line the body

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Slime

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A special family of frogs known for the toxin they produce by eating ants, beetles, and millipedes

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Poison dart

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When the male frog holds the female during breeding

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Amplexus

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Have scales, not furThey have dry skinUsually lay eggs, sometimes live youngCold blooded

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Reptiles

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Nickname for Permian period

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"Age of Amphibians"

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Meaning "no jaw"

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Agnatha

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Name of the Superclass containing all jawless fish

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Agnatha

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Oder containing caecilians

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Apoda

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Era called the " Age of Reptiles", when reptiles were most diversified and dominant

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Mesozoic

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A single opening where all waste matter as well as reproductive materials exit the body

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Cloaca

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Gill cover

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Operculum

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The biggest threat to all amphibian population

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Fungus

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Fins appear symmetric

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Homocercal tail