Animalia Chordata Chart - Application of Biology - Lecture Notes, Study notes of Biology

Download Animalia Chordata Chart - Application of Biology - Lecture Notes and more Study notes Biology in PDF only on Docsity! Animalia Chordata Chart PHYLUM Chordata Examples Ectotherm or Endotherm Special Characteristics Breathing Mechanism “First” “1st “ ALL Chordates have: *Dorsal Nerve Cord *Notochord (becomes backbone) *Gill slits *Post anal tail Most chordates are vertebrate (have backbone) Ectothermic— Body temperature dependent on temperature of surrounding water Endothermic— able to maintain constant body temperature regardless of surrounding temperature Class Agnatha Jawless Fishes Hagfish Lamprey eel Ectothermic Gills Class Chondrichthye s Cartilaginous skeleton Sharks, Skates, Rays Ectothermic Gills 1st group to develop teeth, fins, & scales Class Osteichthyes Bony Fishes Bass, Trout, Flounder Ectothermic Gills Class Amphibia “Two-lived” NO Teeth or Claws Frogs, Toads, Salamanders Ectothermic Jelly-like eggs laid in water *Gills turn into lungs *Moist skin – gas exchange through skin and lungs 1st group to have lungs Class Reptilia Scaly skin, teeth, & claws Turtles, Alligators, Lizards, Snakes, Dinosaurs Ectothermic Leather eggs laid on land Lungs Class Aves Beak & scaly skin on feet Birds Endothermic Adaptations for Flight: *Feathers *Wings *Hollow bones *Large breastbone for flight muscles Lungs 1st group to be endothermic 1st 4-chambered heart (for more efficient circulation) Class Mammalia *Covered with hair or fur *Mammary glands *4-chambered heart *Lungs *Endothermic Lungs Mammalia Subclass Monotremes Echnida, Duck-billed Platypus Endothermic Egg-Laying Lungs Mammalia Subclass Marsupials- Kangaroo, Opossum Endothermic Immature young finish development in pouch (marsupium) Lungs Mammalia Subclass Placental Humans, Cows, Horse, Elephants, Gorillas, Dogs, Cats Endothermic *Give birth to live, well-formed young *Nutrients, oxygen, carbon dioxide, wastes exchanged through placenta Lungs Docsity.com