cold blooded vertebrate Flashcards
Vertebrates
Vertebrates comprise all species of animals within the subphylum Vertebrata chordates with backbones. Vertebrates represent the overwhelming majority of the phylum Chordata, with currently about 66,000 species described
Endotherms
an animal that is dependent on or capable of the internal generation of heat; a warm-blooded animal.
Ectotherms
an animal that is dependent on external sources of body heat.
Lateral Line
a visible line along the side of a fish consisting of a series of sense organs that detect pressure and vibration.
Gills
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.
Jawless Fishes
lamprey hagfish
Cartilaginous Fishes
shark batoids chimaera
Bony Fishes
cichild catfish lungfish
Swim Bladder
The swim bladder, gas bladder, fish maw or air bladder is an internal gas-filled organ that contributes to the ability of many bony fish
Amphibians
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia. Modern amphibians are all Lissamphibia
Lungs
sucks in air and pushes out carbon dioxide
Tadpole
is the larval stage in the life cycle of an amphibian, particularly that of a frog or toad.
Metamorphosis
the process of transformation from an immature form to an adult form in two or more distinct stages.
Reptiles
Reptiles are tetrapod animals in the class Reptilia, comprising today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives
Amniotic Eggs
Amniotes are a clade of tetrapod vertebrates comprising the reptiles, birds, and mammals.