1. Biological Classification

3. Domain - Eukarya

4. Kingdom - Animalia __________ _____________ Heterotrophic Lack rigid cell wall motile EUKARYOTIC MULTICELLULAR

5. 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 Tube Pharyngeal Slit Tail Bilateral Symmetry Body Segmentation

6. Subphylum ________ – Sac-like filter feeders – Tunicates _______________ – Usually buried in sand – lancelets __________ – chordates with a spinal column/backbone Tunicata Cephalochordata Vertebrata

7. Class _______ – No jaws – Lamprey and hagfish – Fed by sucking blood and other fluids _________ – Extinct – Fish without jaws – Fresh water bottom dwellers Agnatha Placodermi

8. Class __________ – Bony fish – Ocean and fresh – Swim bladder – Tuna, mackerel _____________ – Cartilagenous fish – Shark, skates, rays Osteichthyes Chondrichthyes

9. 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

10. Class ____ – Streamlined bodies – Hollow bones – Homeothermic _______ Aves Mammalia

11. Class - Mammalia Have hair Produce milk from mammary glands Homoeothermic – maintain a constant body temperature Live birth

12. 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