Life in cold blood 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 itslef
Lateral line
a faint line 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 the water
gill
a respiratory organ in which oxygen from the water is exchanged with carbon dioxide from the blood
Jawless fish
Hag fish,lampreys
Cartilaginous fishes
skates,stingray
bony fishes
lungfish,masked butterfly fish,pikes
swim bladder
a gas-filled sac that is used to control buoyancy also known as a gas bladder
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
Caecilians
amphibian look like earth worms or snakes thin moist skin
Salamanders
amphibians long tail,4 strong legs
frogs
amphibian strong legs well developed ears smooth moist skin
