flash cards
Vertebrates
an animal that has a backbone
Endotherms
warm blooded
Ectotherms
cold blooded
Lateral Line
a faint line visible on both sides of a fish’s body that runs the length of the body and marks the location of sense organs that detect vibration in water
Gills
a respiratory organ in which oxygen from the water is exhanged with carbon dioxide from the blood
Jawless Fishes
A fish with no jaws - Heterostraci Arandaspidiformes
Cartilaginous Fishes
Shaerk , Batoids, Chimaera
Bony Fishes
catfish, cichlid, actinopterygii
Swim Bladder
a gas-filled sac that is used to control buoyancy; also known as gas bladder
Amphibians
a cold-blooded vertebrate animal of a class that comprises the frogs toads newts and salamanders they are distinguished by having an aquatic gill-breathing larval stage followed by a terrestrial lung-breathing adult stage
Lungs
a respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood
Tadpole
the aquatic fish-shaped larve of a frog or toad
Metamorphosis
a phase in the life cycle of many animals during which a rapid change from the immature form of an organism to the adult form takes place
Caecilians
are a group of limbless amphibeans
Salamanders
are a group of anphbinains characterized as a lizard like aperence