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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


Subphylum urochordata a tunicate or sea squirt

Subphylum Urochordata: a tunicate or “sea squirt”


Taxonomy of you review

nerve cord

notochord

gut

oral opening

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

pharynx with gill slits


Subphylum cephalochordata the lancelet branchiostoma

Subphylum Cephalochordata: the lancelet Branchiostoma


Taxonomy of you review

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)


A snake skeleton exhibits defining characteristics of the phylum vertebrata

A snake skeleton exhibits defining characteristics of the phylum vertebrata


Taxonomy of you review

Agnathans

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


Taxonomy of you review

Tentacles

Gill slits (twelve pairs)

Mucous glands

Gill openings (seven pairs)

Fig. 27.7, p. 459


A sea lamprey

A sea lamprey


Taxonomy of you review

Chondrichthyes

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


Taxonomy of you review

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


Taxonomy of you review

Fig. 27.8, p. 460


Taxonomy of you review

Osteichthyes

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


Taxonomy of you review

dorsal fin

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


Ray finned fishes class actinopterygii long snouted sea horse

Ray-finned fishes (class Actinopterygii): long-snouted sea horse


Anatomy of a trout a representative ray finned fish

Anatomy of a trout, a representative ray-finned fish


A coelocanth latimeria the only extant lobe finned genus

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


Taxonomy of you review

Amphibians

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


Amphibian orders newt left frog right

Amphibian orders: Newt (left), frog (right)


Frogs

Frogs


Taxonomy of you review

Fig. 27.12, p. 463


Dual life of a frog rana temporaria

“Dual life” of a frog (Rana temporaria)


Amniotes

Amniotes

  • Produce eggs with membranes


Taxonomy of you review

Reptilia

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


A hatching monitor lizard

A hatching monitor lizard


Taxonomy of you review

olfactory lobe (sense of smell)

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


Taxonomy of you review

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


Taxonomy of you review

venom gland

hollow fang

Fig. 27.15, p. 466


Sea turtle

Sea turtle


Taxonomy of you review

ribs of endoskeleton

hard shell


Banded gecko coleonyx varigatus

Banded gecko, Coleonyx varigatus


Emerald tree boa

Emerald tree boa


Taxonomy of you review

Aves

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


Taxonomy of you review

Fig. 27.16b, p. 468


Taxonomy of you review

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


Taxonomy of you review

Mammalia

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


Taxonomy of you review

Rodents

Scaly anteaters

Anteaters

Manatees

Cetaceans

(whales, dolphins and porpoises)

Elephants

Carnivores


Taxonomy of you review

Monotremes

Even-toed ungulates

Primates

Chiropterans (Bats)

marsupials


Name that class

Name That Class

  • 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

  • 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


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