VERTEBRATE CLASSES CHART
Vertebrate
Class
Fish
(820)
Class
Amphibia
(834)
Class
Reptilia
(852)
Class Aves
(861)
Class
Mammalia
(880)
Examples/general
characteristics
Ectotherm or
endotherm
Feeding
behavior/Digestion
Respiration (gills,
lungs, both)
Circulation
(# heart chambers)
Reproduction/Life cycle
(Internal or external
fertilization)