cold blooded vertabrates Flashcards
vertebrates
an animal that has a backbone
endotherm
an animal that can use body heat from chemical reactions in the body’s cells to maintain a constant body temperature
ectotherm
an organism that needs sources of heat outside of itself
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 vibrations in water
gill
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
swim bladder
a gas filled sac that is used to control buoyancy ; also known as a gas bladder
jawless fish
amperes and the hagfish, Agnatha
lung
a respiratory organ in which oxygen from the air is exchanged with carbon dioxide from the blood
tadpole
the aquatic, fish-shaped larva 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
amniotic egg
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 surrounded by a shell
cartilaginous fishes
sharks, rays, and skates
bony fishes
lungfish, catfish, clownfish
caecilians
caecilians are a group of limbless, vermiform, or serpentine amphibians
salamanders
newts, olm, and sirens
frogs
glass frogs, tree frogs, and poison dart frogs
toads
cane toad, American toad, and banded bullfrog
turtles
box turtles, mud turtles, and sea turtles
tortoises
Russian tortoises, greek tortoises, and gopher tortoises
crocodiles
saltwater croc, nile croc, and freshwater croc
alligators
American alligator, Chinese alligator, and Alligator Prenasalis
snakes
python, cobra, and king snake
lizards
skink, glass lizard, and bearded dragon
tuataras
Sphenodon punctatus, sphenodon guntheri, and brothers island tuataras
