• Vertebrate
• Thick,rubbery skin
• Cartilaginous Skeleton
• Evolution of fins~unjointed appendages
• Sharks, skates and rays

• Arthropod
• Jointed legs with specialization
• extinct after paleozoic
• heavily armored
• 1st group with jointed appendages

• Tenes
• Complete Gut
• Feeding Tentacles

• Diploblastic
• Blind Gut
• Jellyfish, sea anemone, coral, hydrozoans
• medusa and polyp stage

• Loosely Organized
• Sessile
• Water Canal System
• Choanocytes

• Ecdysozoans
• Exoskeleton with chitin thats segmented
• Coelomate
• Jointed Appendages
• Segmented Body

• Ptyergotes
• Complete Metamorphis
• Larva specialized for feeding, adults for reproduction
• Bees, wasps, butterflies,flies,ants, moths

• Arthropod Relatives
• Flexible Cuticle
• Unjointed Appendages
• Hydrostatic Skeleton

• Arthopods
• Body with 3 regions~head,thorax,abdomen
• Caraspace
• Decopods,isopods,copepods, barnacles

• Arthropod
• 6 Appendages
• 3 part body~head, thorax, abdomen
• Tracheal System
• Open Circulatory System

• Arthopods
• 2 body Regions~anterior and posterior
• 3 classes~ pychogonida, merostomata, Arachnida

• Arthropods
• 2 part body
• Centipedes~ 1 pair of legs/segment
• Millipedes~2 pairs of legs/segment

• vertebrates
• jointed fins evolved into walking legs
• began using terrestrial food sources
• amphibians, reptiles, birds and mammals

• Vertebrates
• Hagfish and Lamphreys
• Feed on Dead and Living Organisms
• Marine and Fresh water
• Cartilaginous Skeleton

• Arthropod
• Classified by wings and metamorphasis
• winged~first animal to fly

• Pterygotes
• Preying Mantis, grasshopper
• Able to Fold wings
• Incomplete Metamorphosis

• Chelicerates
• Simple Life Cycle
• Terrestrial
• Exoskeleton

• Pterygotes
• Unable to fold wings
• Incomplete Metamorphosis
• Aquatic Larva

• Hexapods
• Wingless
• Incomplete Metamorphosis
• Firebrat and Silverfish

• Chordates
• Vertebra replaces Notochord
• Internal Rigid Skeleton
• 2 appendages
• Skull with enlarged brain
• Complex Circulatory System
• Internal organs in coelom

• Reptiles
• Direct descendent of the dinosaurs
• feathers for flight and insulation
• modified bones for flight
• store energy as fat
• flight or flightless

Dinorsaurs

• Reptiles 
• Terrestrial
• Some Bipedal
• 1st to be able to run and breath simultaneously

• Vertebrates
• 1st to colonize land
• 3 chambered heart
• soft skin for gas exchange
• reproduce in water
• small lungs~confined to moist environment

Amniotes

• Vertebrates
• Amniotic Egg impermeable of water
• Tough skin and kidneys to live on land and prevent water loss

• Vertebrates
• Lung like Structure
• temporarily able to breathe air

• Therians
• Modified amniotic egg
• young more highly developed at birth

• Therians
• Short gestation period~young not as developed at birth
• External Pouch
• Kangaroos and Opposum

• Vertebrates
• Scales
• Swim Bladder
• Boney Fish

• Amniote
• Sweat and Mammary Glands
• Hair/Fur
• Internal fertilization of eggs
• heart with 4 chambers
• skeletal simplification
• evolution of soft organs

• Radial Cleavage
• Anus from blastophore
• Internal Skeleton
• Triploblastic
• Coelomates

• Chordate 
• Most ancient chordate
• marine, sessile
• larvae with notochord
• pharyngeal basket
• some colonial

• Echinoderm
• Oldest Echinoderm
• sea lilies and feather stars
• cup shaped body w/many arms
• tube feet

• Deuterostome
• Acorn worm and pterybranchs
• 3 part body~proboscis, collar and trunk
• pharyneal slits

• Dueterostome
• pentaradial symmetry
• complete digestive tract
• coelomate
• sexual reproduction
• internal skeleton
• water vascular system

• Deuterostome
• pharyngeal slits
• postanal tail
• Hollow, dorsal nerve cord
• Notochord
• Ventral Heart
• Bilateral Symmetry

• Vertebrate
• Jointed Fin
• Able to move to land/waddle

• Therians
• Lay eggs
• No placenta
• Duck billed Platypus and echnidas
• 1st mammals

• Protostomes
• Exoskeleton with chitin that molts
• jointed appendages
• new breathing techniques

• Lophotrochozoan
• Roundworms
• pseudocoelom
• layered cuticle
• pharynx
• sexual reproduction
• flattened digestive tract

• Mouth from blastophore
• bilateral symmetry
• anterior brain
• ventral nervous system
• triploblastic

• protostome
• internal skeleton
• trochophore larva
• some w/lophophore
• spiral cleavage

• Lophotrochozoan
• segmented body with coelom and ganglia in each
• soft body surface for gas exchange

• lophotrochozoan
• complete gut
• psuedocoelomate
• cilia
• corona and mastax

• lophotrochozoan
• highly branched digestive tract
• parasitic have no digestive tract
• no organs for gas/wastes
• bilateral symmetry
• acoelomate

• Lophotrochozoan
• 3 part body~foot, mantle, visceral mass
• Radula for feeting
• clams, squid, octopus

• Vertebrate
• Horny,spikey skin
• 100% gas exchange through lungs
• no maternal care for young
• 4 chambered heart