flase cards Flashcards
An animal that has a back bone
Vertebrates
An animal that can use body heat from chemical rections in the body’s cells to maintain a constant body temperature
Endotherms
An organism that needa sources of heat outside of itself
Ectotherm
A faint line visible on both sides of fish’s body that runs the lenght of the body and marks the location of sense organs that detect vibrations in water
Lateral line
A respiratory organ in which oxygen from the water is exchanged with carbon dioxide from blood
Gill
- Hagfish
2. Lamperys
Jawless Fishes
- skates
- stingray
- hammerhead
cartilaginous fishes
- Lungfishes
- masked butterfly
- pikes
Bony fishes
A gas-filled sac that is used to control buoyancy also known as a gas bladder
swim bladder
of a class that comprises the frogs, toads, newtsa and salamanders
Amphibians
A respiratory organ in which oxygen from the air is exchnged with carbon dioxide from the blood
Lungs
The apuatic fish-shaped larva of a frog or toad
Tadpole
A phase in the life ctcle of many animals during which a rapid change from the immature from of an organism to the adult from takes place
Metamorphosis
A burrowing wormlike amphibian
Caecilians
A newtlike amphibian
salamanders
