Amphibians and Reptiles Flashcards
class amphibia characteristics
smooth/moist skin, lung/gill/skin respiration, four limbs, three-chambered heart and double circulation, ectothermic (cold-blooded), dioecious (male and female)
order gymnophiona
“naked snake”
caecilians
order caudata
“having a tail”
salamanders
order anura
“without a tail”
frogs and toads
class reptilia characteristics
tough/dry/scaly skin for water retention, shelled/amniotic eggs, lungs, three and four-chambered hearts, systemic and pulmonary circulation, ectothermic, behavioral thermoregulation, dioecious (internal fertilization), complex nervous/excretory/skeletal systems
order testudines
turtles
carapace: dorsal shell
plastron: ventral shell (concave in males)
temperature-dependent sex determination
order squamata
lizards and snakes
sub-order sauria
lizards
geckos, iguanas, skinks, chameleons
sub-order serpentes
snakes
family viperidae, elapidae, hydrophiidae, colubridae
family viperidae
rattlesnakes, copperheads, water moccasins
family elapidae
cobra, mamba, coral, krait
family hyrophiidae
sea snakes
family colubridae
rat snake, boa constrictor
order sphenodonta
tuataras
only species is the tuatara in New Zealand
order crocodilia
crocodiles and alligators
oviparous, four-chambered heart, advanced social behavior, unchanged for 200 mil yrs