Amphibians & Reptiles By: Ashley Smith & Michael Varrige

Introductory InformationAmphibiansKingdom: AnimaliaPhylum: ChordataDomain: EukaryoteSexually ReproductiveNo Cell Wall

Amphibians

Subgroups: Lissamphibia (more recent amphibians)

HeterotrophCharacteristics: thin,

delicate, slimy skin, permeable to water, predominantly green & bright colored

AmphibiansExamples include:

ToadsFrogsSalamanderNewtsCaecilians

AmphibiansPrimitive

Respiratory System and large Alveoli

Have gills early in life

Slow rate of oxygen diffusion to blood

Heart circulates blood, spleen stores blood

Cold-blooded

AmphibiansHave nerves and a

spinHas a bladder to

store UrineKidney used for

Nitrogenous wasteBilateral SymmetryDeuterosome

Reptiles Introductory InformationKingdom: AnimaliaPhylum: ChordataDomain: EukaryoteSexually

Reproductive, some capable of asexual reproduction (squmates)

No Cell Wall

ReptilesSubgroups:

Eureptilia, Anapsida (differences in their skull)

HeterotrophCharacteristics:

scaly skin, cold-blooded, four limbs

ReptilesExamples include:

TurtlesAlligatorsCrocodilesGeckosSome Snakes

Reptiles3 chambered heart

that contains oxygenated & deoxygenated blood

Able to spend more time in water

Larger Cerebrum & Cerebellum than amphibians

ReptilesBilateral SymmetryDeuterosomeWell developed

sense organs, some lack ears

Size of brain: very small, relative to body size

Generally considered less intelligent than mammals and birds