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Taxonomy of YOU Review. Kingdom : Animalia Phylum : Chordata Subphylum : Vertebrata Your Class : Mammalia Cousins Classe s: Agnatha Chondrichthyes Osteichthyes Amphibia Reptilia Aves. Taxonomy of YOU. Kingdom : Animalia Phylum : Chordata. All Subphyla have a common ancestor.

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Taxonomy of you review
Taxonomy of YOU Review.

  • Kingdom: Animalia

    • Phylum: Chordata

      • Subphylum: Vertebrata

        • Your Class: Mammalia

        • Cousins Classes:

          • Agnatha

          • Chondrichthyes

          • Osteichthyes

          • Amphibia

          • Reptilia

          • Aves


Taxonomy of you
Taxonomy of YOU.

  • Kingdom: Animalia

    • Phylum: Chordata. All Subphyla have a common ancestor.

      • Subphylum: Urochordata

      • Subphylum: Cephalochordata

      • Subphylum: Vertebrata


Phylum chordata

Phylum: Chordata

Notocord

Dorsal hollow nerve cord

Gills

Postanal tail



nerve cord

notochord

gut

oral opening

atrial opening (water that passed through pharynx leaves this way)

pharynx with gill slits



DORSAL, TUBULAR NERVE CORD

PHARYNX WITH GILL SLITS

TAIL EXTENDING PAST ANUS

NOTOCHORD

aorta

anus

epidermis

pore of atrial cavity

gonad

hindgut

segmented muscles

tentacles around mouth

midgut

segmented muscles

Fig. 27.4, p. 457


Early fossil vertebrates haikouella top myllokunmingia bottom
Early fossil vertebrates: Haikouella (top), Myllokunmingia (bottom)



Agnathans phylum vertebrata

Traits

  • Ectothermic

  • No true teeth (Adonts)

  • Oviparous

  • External Fertilization

  • Gills

  • 2 chambered heart

  • No scales

  • Paired fins

  • No jaw present

  • Lateral Line System

  • Cartilage skeleton

    Examples of organisms: lamprey and hagfish


A hagfish
A hagfish phylum vertebrata


Tentacles phylum vertebrata

Gill slits (twelve pairs)

Mucous glands

Gill openings (seven pairs)

Fig. 27.7, p. 459


A sea lamprey
A sea lamprey phylum vertebrata


Chondrichthyes phylum vertebrata

Traits

  • Ectothermic

  • Homodont

  • Viviparous, Oviparous, Ovoviviparous

  • Internal Fertilization

  • Gills

  • 2 chambered heart

  • Placoid scales

  • Paired fins

  • Jaw present

  • Lateral Line System

  • Cartilage skeleton

    Examples of organisms: SHARKS, RAYS, SKATES, CHIMAERAS


Cartilaginous fishes (class Chondrichthyes): Great white shark (top left), silky shark (top right), southern stingray (bottom left), blue spotted stingray (bottom right)


Fig. 27.8, p. 460 shark (top left), silky shark (top right), southern stingray (bottom left), blue spotted stingray (bottom right)


Osteichthyes shark (top left), silky shark (top right), southern stingray (bottom left), blue spotted stingray (bottom right)

Traits

  • Ectothermic

  • Homodont

  • Oviparous

  • External Fertilization

  • Gills

  • Swim Bladder

  • 2 chambered heart

  • No scales

  • Paired fins

  • Jaw present

  • Bony skeleton

    Examples of organisms: Ray-finned fishes and Lobe-finned fishes


dorsal fin shark (top left), silky shark (top right), southern stingray (bottom left), blue spotted stingray (bottom right)

caudal fin

muscle segments

fin supports

brain

anal fin

olfactory bulb

pectoral fin (one of two)

pelvic fin (one of two)

heart

liver

anus

gallbladder

urinary bladder

kidney

stomach

swim bladder

intestine

Fig. 27.9, p. 461


Ray finned fishes class actinopterygii yellow perch
Ray-finned fishes (class Actinopterygii): yellow perch shark (top left), silky shark (top right), southern stingray (bottom left), blue spotted stingray (bottom right)




A coelocanth latimeria the only extant lobe finned genus
A coelocanth ( horseLatimeria), the only extant lobe-finned genus


Amphibians horse

Traits

  • Ectothermic

  • Homodont

  • Oviparous

  • External Fertilization

  • Lungs, Skin, and Gills

  • 3 chambered heart

  • No scales

  • Tetrapedal

  • Jaw present

  • Bony skeleton

    Examples of organisms: TOADS/FROGS, SALAMANDERS/NEWTS, CAECILLIANS



Frogs
Frogs horse



Dual life of a frog rana temporaria
“Dual life” of a frog horse(Rana temporaria)


Amniotes
Amniotes horse

  • Produce eggs with membranes


Reptilia horse

Traits

  • Ectothermic

  • Homodont

  • Oviparous, rare instances of vivipary

  • Internal Fertilization

  • Lungs

  • 4 chambered Heart/3chambered heart

  • scales

  • Tetrapedal

  • Jaw present

  • Bony skeleton

    Examples of organisms:

    TURTLES/TORTOISES, SNAKES, LIZARDS/ LEGLESSLIZARDS /TUATARAS, CROCODILES/ALLIGATORS



olfactory lobe (sense of smell) horse

vertebral column

gonad

spinal cord

forebrain, midbrain, hindbrain regions

kidney

snout

intestine

heart

unmatched rows of teeth on upper and lower jaws

stomach

cloaca

esophagus

liver


Extant reptiles: Desert tortoise (top left), lizard (top right), king snake (bottom left), alligators (bottom right)


venom gland right), king snake (bottom left), alligators (bottom right)

hollow fang

Fig. 27.15, p. 466


Sea turtle
Sea turtle right), king snake (bottom left), alligators (bottom right)


ribs of endoskeleton right), king snake (bottom left), alligators (bottom right)

hard shell


Banded gecko coleonyx varigatus
Banded gecko, right), king snake (bottom left), alligators (bottom right)Coleonyx varigatus


Emerald tree boa
Emerald tree boa right), king snake (bottom left), alligators (bottom right)


Aves right), king snake (bottom left), alligators (bottom right)

Traits

  • Homeothermic

  • No true teeth

  • Oviparous

  • Internal Fertilization

  • Lungs with air sacs

  • 4 chambered Heart

  • Modified scales: feathers

  • bipedal

  • Jaw present

  • Bony skeleton: porous

    Examples of organisms: WATERFOWL, PEAFOWL, FLIGHTLESS, RAPTORS, ETC


Fig. 27.16b, p. 468 right), king snake (bottom left), alligators (bottom right)


A small sample of birds: Blue-footed boobies (top left), male peacock (top right), penguins (bottom left), perching bird (bottom right)


Penguin march
Penguin march male peacock (top right), penguins (bottom left), perching bird (bottom right)


Mammalia male peacock (top right), penguins (bottom left), perching bird (bottom right)

Traits

  • Homeothermic

  • Heterodonts

  • Oviparous or viviparous

  • Internal Fertilization

  • Lungs

  • 4 chambered Heart

  • Mammary glands (milk production)

  • Modified scales: hair

  • Tetrapedal with minor exceptions of bipedalism

  • Jaw present

  • Bony skeleton

    Examples of organisms


Rodents male peacock (top right), penguins (bottom left), perching bird (bottom right)

Scaly anteaters

Anteaters

Manatees

Cetaceans

(whales, dolphins and porpoises)

Elephants

Carnivores


Monotremes male peacock (top right), penguins (bottom left), perching bird (bottom right)

Even-toed ungulates

Primates

Chiropterans (Bats)

marsupials


Name that class
Name That Class male peacock (top right), penguins (bottom left), perching bird (bottom right)

  • Oviparous

  • No jaw

  • Ectothermic.

  • External fertilization and lungs

  • Viviparous or oviparous

  • No scales and 2 chambered heart

  • 4 chambered heart and oviparous

  • Heterodont

  • Examples of Amphibian groups.

  • 2 examples of Chondrichthyans.


Name that class1
Name That Class male peacock (top right), penguins (bottom left), perching bird (bottom right)

  • Oviparous: All

  • No jaw: Agnatha

  • Ectothermic: All except Aves and Mammalia.

  • External fertilization and lungs: Amphibia

  • Viviparous or oviparous: Mammalia, Reptilia

  • No scales and 2 chambered heart: Agnatha

  • 4 chambered heart and oviparous: Aves, Reptilia, Mammalia

  • Heterodonts: Mammalia

  • Amphibians: Frogs, Toads, Salamanders, Newts or Caecillians

  • 2 examples of Chondrichthyes. Sharks, Rays, Skates


Phylogeny of the major groups of extant vertebrates
Phylogeny of the major groups of extant vertebrates male peacock (top right), penguins (bottom left), perching bird (bottom right)


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