cold-blooded 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
Lateral Line
a faint line visible on both sides of a fish’s body
Gills
a respiratory organ in which oxygen from the water
Jawless Fishes
a fish with out a jaw hagfish and lapreys
Cartilaginous Fishes
skates, stingrays and sharks
Bony Fishes
lungfishes, masked butterfly and pikes
Swim Bladder
a gas-filled sac that is used to control buoyancy
Amphibians
frogs and salamanders
Lungs
a respiratory organ in which oxygen from the air is made in to carbon dioxide
Tadpole
a baby frog or toad
Metamorphosis
the phase in which the eggs tern in to a full grown adult
Caecilians
they look like earthworms
Salamanders
they look like lizard
