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. | | | | | |