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