Learning Objective: Review the three phyla of worms and look at the major characteristics of the mollusk phylum.

AmphibiansKingdom:AnimaliaPhylum:ChordataOrder:AnuraFamily:RanidaeGenus:Rana Species:pipiens

Vertebrate classes:AgnathaChondrichthyesOsteichthyesAmphibiansReptilesAvesMammals

530 mya AmphibiansLobe-finned fish gave rise to early amphibian

Coelacanth

Amphibian CharacteristicsEctothermsic Cold BloodedThree-chambered HeartPorous, thin, slimy skinMust return to water to breed external fertilizationLive both in water and on land (amphibious)

3 methods to take in Oxygen1. Lungs2. Gills3. Cutaneous Respiration through their skin

Order Urodela (Salamanders) tailed ones

Mexican axolotl

Giant Salamander

Pacific Giant Salamander

Red Spotted Newt

Tiger SalamanderOrder Caecilians - legless ones

Costa Rican - Gymnopis multiplicata

Purple CaecilianOrder Anura - Tailless ones

Wallaces Flying Frog

The Harlequin Frog

Red-Eyed Tree Frog

Golden Poison Dart Frog

Cane Toad

BullfrogStrawberry Poison Dart FrogsLeopard Frog - DissectionKindgom: AnimaliaPhylum: ChordataClass: Amphibia Order: Anura Family: RanidaeGenus: Rana Species: pipiens

Frog SoundFrog CHARTOrgan/ StructureSystemFunctionCountershadingNictitating membraneTympanic membraneTongueGulletGlottisEustachian tubeMaxillary teethVomerine teethFat bodiesLiverHeartLungsGall bladder StomachSmall intestineMesentaryLarge intestine / CloacaSpleenEsophagus KidneysTestesSperm ductOvariesOviduct BladderStructuresNictitating membrane

Tympanic membrane

Structures: TongueGulletGlottisEustachian tube Maxillary teethVomerine teeth

StructuresFat bodies Liver HeartLungsGall bladder

StructuresStomachSmall intestineMesentaryLarge intestine/ CloacaSpleenEsophagus

Frog Review