cold-blooded Vertebrates Flashcards
an animal of a large group distinguished by the possession of a backbone or spinal column
Vertebrates
an animal that is dependent on or capable of the internal generation of heat/ warm blooded animal
endotherms
an animal that is dependent on external sources of body heat
ectotherms
a visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration
lateral line
the paired respiratory organ of fishes and some amphibians by which oxygen is extracted from
gills
any of the taxonomic group of primitive vertebrates without jaws - heterostraci and arandaspididae
jawless fishes
a fish of a class distinguished by having a skeleton of cartilage rather than bone - sharks, rays, and chimeras
cartilaginous fishes
a fish of a large class distinguished by a skeleton of bone and comprising the majority of modern fishes - Cichlid, Catfish, and lungfish
bony fishes
a gas filled sac present in the body of many bony fishes used to maintain and control buoyancy
swim bladder
a cold blooded vertebrate animal that are distinguished by having aquatic gill-breathing larval stage and terrestrial lung-breathing adult stage
amphibians
each pair of organs in the rib cage so that oxygen can pass into the blood and carbon dioxide be removed
lungs
the tailed aquatic larva of an amphibian breathing through gills and lacking legs until its later stages
tadpole
the process of transformation from an immature form to an adult form from 2 or more distinct stages
metamorphosis
a burrowing wormlike amphibian of a tropical order distinguished by poorly developed eyes and the lack of limbs
caecilians
a newtlike amphibian that typically has bright markings and that once was thought to be able to endure fire
salamanders
a tailless amphibian with a short squat body, moist smooth skin, and very long hind legs for leaping
frogs
amphibian with a short stout body and short legs typically having dry warty skin that can exude poison
toads
a vertebrate animal, dry scaly skin and typically laying soft-shelled eggs on land
reptiles
the type of egg produced by reptiles, birds, and prototherian mammals in which the embryo develops inside an amnion, usually is calcium-based or leathery
amniotic eggs
a slow-moving reptile, enclosed in a scaly or leathery domed shell into which i can retract its head and thick legs
turtles
a turtle, typically a herbivorous one that lives on land
tortoises
a large predatory semi aquatic reptile with long jaws, long tail, short legs, and horny texture skin
crocodiles
a large semi aquatic reptile similar to a crocodile but with a broader and shorter head
alligator
long limbless reptile that has no eyelids, a short tail, and jaws that are capable of considerable extension - some have a venomous bite
snakes
a reptile that typically has a long body and tail, four legs, movable eyelids, and a rough, scaly, or spiny skin
lizards
a nocturnal burrowing lizardlike reptile with a crest of soft spines along its back, now confined to some small islands off New Zealand
tuataras
