Cold-blooded Vertebrates Flashcards
Vertebrates
Animals with a backbone
Endotherm
an animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal
Ectotherm
an animal that is dependent on external sources of body heat; cold-blooded animal
Lateral Line
a visible line along the side of a fish consisting of a series of sense organs which detect pressure and vibration
Gills
paired respiratory organ of fishes and some amphibians, by which oxygen is extracted from water
Jawless Fish
lamprey and hagfish
Cartilaginous Fish
sharks and stingrays
Bony Fish
catfish and clownfish
Swim Bladder
an internal gas-filled organ that contributes to the ability of many bony fish to control their buoyancy
Lung
a pair of spongy, air-filled organs located on either side of the chest where the trachea conducts inhaled air into the lungs
Tadpole
the aquatic larval stage of frogs and toads
Metamorphosis
the process of transformation from an immature form to an adult form in two or more distinct stages
Caecilians
a group of limbless, vermiform or serpentine amphibians
Frogs
any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura
Toads
a common name for certain frogs, especially of the family Bufonidae
