Cold-Blooded Vertebrate Flashcards
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes.
Vertebrates
an animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal.
Endotherm
an animal that is dependent on external sources of body heat.
Ectotherm
a visible line along the side of a dish 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 water flowing over surfaces within or attached to the walls of the pharynx.
Gill
Agnatha is a superclass of jawless fish in the phylum Chordata, subphylum Vertebrata, consisting of both present and extinct species.
Jawless fishes
is a class that contains the cartilaginous fishes that have skeletons primarily composed of cartilage
Cartilaginous fishes
a fish of a large class distinguished by a skeleton of bone and comprising the majority of modern fishes.
Bony fishes
a gas-filled sac present in the body of many bony fishes used to maintain and control buoyancy.
Swim bladder
are a pair of spongy, air-filled organs located on either side of the chest?
Lung
is the larval stage in the life cycle of an amphibian
Tadpole
the process of transformation from an immature form to an adult form in two or more distinct stages.
Metamorphosis
are a group of limbless, vermiform or serpentine amphibians.
Caecilians
a group of amphibians typically characterized by a lizard-like appearance, with slender bodies, blunt snouts, short limbs projecting at right angles to the body, and the presence of a tail in both larvae and adults
Salamanders
is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura.
Frogs