cold bloooded Flashcards
AP #1
an animal of a large group distinguished by the possession of a backbone or spinal column, including mammals, birds, reptiles, amphibians, and fishes
vertebrate
an animal that is dependent on or capable of the internal generation of heat; a 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 which 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.
Gills
lampreys and hagfish
Jawless Fishes (2 examples)
sharks rays and skates
Cartilaginous Fishes
catfish sturgeon and Eel
Bony Fishes
a gas-filled sac present in the body of many bony fishes, used to maintain and control buoyancy.
swim bladder
Amphibians are ectothermic, tetrapod vertebrates of the class Amphibia.
Amphibians
are a pair of spongy, air-filled organs located on either side of the chest (thorax)
Lungs
is the larval stage in the life cycle of an amphibian, particularly that of a frog or toad. They are usually wholly aquatic, though some species have tadpoles that are terrestrial
tadpole
act of something changing like a tadpole to a frog
metamorphosis
are a group of limbless, serpentine amphibians
Caecilians
are 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,
Salamanders