| Traits | Osteichthyes (fish)
| Amphibia | Reptilia 
| Aves (birds) | Mammalia  |
| Circulation
(How many heart chambers do they have & draw them) | | | | | |
Respiration
(What organs work as gas exchange organs?) | | | | | |
| Excretion
(What are the excretory structures & what nitrogenous waste is excreted: ammonia, urea, or uric acid?) | | | | | |
| Fertilization
(Where and how does fertilization take place: Internal or External? Courtship behavior?) | | | | | |
| Reproduction (What kind of eggs do they lay? Are they egg or live birth?) | | | | | |
| Integument (covering) | | | | | |
| Care of Young
(Give numbers of young had and then amount of care given.) | | | | | |
| Limbs and Stance (Draw from the front view how the fins or limbs come out of the animals and what angle they are to the ground. | | | | | |
