Biological Classification

Domain - Eukarya

Kingdom - AnimaliaEUKARYOTICMULTICELLULAR

Phylum - Chordata

• ______________– Spine– Flexible rod extending length of the body that provides internal support

• ___________________– spinal cord

• ___________________– gill/pharynx

• _____– At some point in their life

• _____________________• ______________________

NOTOCHORD

Dorsal Neural TubePharyngeal Slit

Tail

Bilateral SymmetryBody Segmentation

Subphylum• ________– Sac-like filter feeders– Tunicates

• _______________– Usually buried in sand– lancelets

• __________– chordates with a spinal

column/backbone

Tunicata

Cephalochordata

Vertebrata

Class• _______– No jaws– Lamprey and hagfish– Fed by sucking blood

and other fluids

• _________– Extinct – Fish without jaws– Fresh water bottom

dwellers

Agnatha

Placodermi

Class• __________– Bony fish– Ocean and fresh– Swim bladder– Tuna, mackerel

• _____________– Cartilagenous fish– Shark, skates, rays

Osteichthyes

Chondrichthyes

Class• ________– Live in both land and water– Exchange air through lungs

and skin– Lay eggs in water– Frog, toad, salamander

• ________

•Dry, scaly skin that stops

water loss

•3 chambered heart

•Reproduction on land

•Lizard, snakes, turtle

Amphibia

Reptilia

Class

• ____– Streamlined

bodies– Hollow bones– Homeothermic

• _______

Aves

Mammalia

Class - Mammalia

• Have hair• Produce milk from mammary glands• Homoeothermic –

maintain a constant body temperature• Live birth

continued…

• ____________ – Egg layers that produce milk– Duck-billed platypus

• ____________– Embryo develops in utero immature baby crawls

into an abdominal pouch to complete development– Kangaroo, koala

• ____________– Placenta – nutritive connection between mother’s

uterine wall and embryo– Rabbit, deer, whale, bat

Monotremes

Marsupials

Placental