cold blooded vertebrates Flashcards
vertberates
an animal that has a backbone
endotherms
an animal that can use body heat from chemical reactions in the body’s cell to maintain a constant body temperature
ectotherms
an organism that needs sources of heat outside of itself
laternal 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 vibrations in water
gills
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
jawless fish
lamprey, hagfish
cartilaginous fish
goblin shark, manta ray, tiger shark
bony fish
beluga, ocean sunfish, giant grouper
swim bladder
a gas filled sac that is used to control buoyancy also known as gas bladder
amphibians
animals that can live in water and have lungs and legs
lungs
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
tadpole
the aquatic fish shaped larva of a frog or toad
metamorphasis
a phase in the life cycle of many animals during which a rapid channge from the immature form of an organism to the adult form takes place
caecilians
are tropical amphibians that loo like worms or slick snakes
salamanders
they have slender bodies, short legs, and long tails
frogs
amphibians known for their jumping abilities, croaking sounds, bulging eyes, and slimy skin
toads
they have dry skin, warts, crests behind the eyes, and parotoid glands.
reptiles
have lungs to breathe air they have thick skin and use their surroundings to control their temperature and have a special kind of egg that is laid on land
amniotic eggs
a type of egg that is surrounded by a membrane the amnion and that in reptiles birds and egg laying mammals contains a large amount of yolk and is surrounded by a shell
turtles
are reptiles of the order eestudines or chelonii characterized by a special bony or cartilaginous shell developed from their ribs and acting as a shield.
tortoises
is the third member of the chelonian family along with turtles and terrapins chelonians are also reptiles which means they are cold blooded and warm themselves by drawing heat from their environment they have 4 legs and a shell that is joined down the sides
crocodiles
are large reptiles found in tropical regions of africa, asia, the americas and australia they are members of the order crocodilia which also includes caimans gharials and alligators
alligators
large males can reach a weight of nearly half a ton or 1000 pounds the american alligator is found in the united states from north carolina to the rio grande in texas alligators are usually found in freshwater, slow moving rivers they also live in swamps, marshes and lakes
snakes
are elongated, legless, carnivorous reptiles of the suborder serpentes
lizards
lizards have dry, scaly skin they have four legs, clawed feet, and a long tail
tuataras
are reptiles endemic to new zealand although resembling most lizards they are part of a distinct lineage the order rhynchocephalia