cold-blooded vertebrates Flashcards
Vertebrates
an animal that has a backbone
Endotherms
an animal that can use body heat from chemical reactions
Ectotherms
an organism that needs sources of heat outside itself
Lateral Line
a flat line visible on both sides of a fishes body
Gills
a respiratory organ in witch oxygen from the water is exchanged with carbon dioxide from the blood
Jawless Fishes
hagfish, lampreys
Cartilaginous Fishes
sharks, rays, sawfish
Bony Fishes
goldfish, tuna, trout
Swim Bladder
a gas-filled sac that is used to control buoyancy
Amphibians
animals that are not usfull
Lungs
a respiratory organ in witch oxygen from the air is exchanged with carbon dioxide from the lungs
Tadpole
fish-shaped larva of a frog or toad
Metamorphosis
a phase in the animal life cycle
Caecilians
they are like worms/snakes but they have thin, moist skin
Salamanders
they have a long tail, and four strong legs
Frogs
they are amphibians
Toads
they are amphibians but more bumby
Reptiles
they can live in water and on land
Amniotic Eggs
A type of egg that is surrounded by a membrane
Turtles
they spend much of there time in water
tortoises
they live on land
Crocodiles
has a narrow head and a pointed snout
Alligators
have a broad head and a rounded snout
Snakes
a long limbless reptile that has no eyelids, a short tail, and jaws that are capable of considerable extension. Some snakes have a venomous bite
LIzards
a reptile that typically has a long body and tail, four legs, movable eyelids, and a rough, scaly, or spiny skin.
Tuataras
a nocturnal burrowing lizardlike reptile with a crest of soft spines along its back, now confined to some small islands off New Zealand.
