Chapter 33/34 Flashcards
Cephalochordata
lancelets; have all 4 chordata traits as adults
Urochordata
Tunicates; filter feeders; lose traits after larval stage
Myxini
hagfishes; cartilaginous skull and teeth like projections
Petromyzontida
Lamprey; have jawless teth; cartilaginous exoskeleton
Chondricthyes
sharks, skates, rays; cartilaginous fish; have jaws
Actinopterygii
ray finned fish; bass,trout
Sarcopterygii
lobe finned fish; lung fish, coelacanths
Amphibia
toads, legless lizards, salamanders; undergo metamorphosis
Reptilia
lizards, snakes, crocs, gators; ectotherms; lay eggs and have keratin scales
Aves
birds; egg layers; hollow bones; endotherms
Mammalia
humans; mammary glands produce milk; have hair/fur;
Primates
humans; have opposable thumbs