ANT203Y1 Lecture Notes - Steropodon, Furongian, Ossicles
Document Summary
Taxonomy :dymanics- now organisms relate, reasons behind similarities/differences. *italicize species name: first letter of genus capitalised (homo, species begins with lowercase letter (homo sapiens, genus and species are both italicised (homo sapiens, genus name may be abbreviated (h. sapiens) Heterotrophic ; they are depended on other organisms as a food source. Amphioxus, lets us alot about vertibe origins and how these early chordate evolves. Agnathans- agna= jaw hans=less/ lampreys & hagfis, they have fins gills 2 chambered hearts. Upper cambrian (~510ma) d sensory structures (balance, sight, Auditory produce milk ossicles = 3 bones in ear. Neocortex: are that gives us higher functions in the brain / in human =language. En dothermic: keep body at regulated temperature dispite whats going on outside. : give birth to live youngs heterodont: different kinds of teeths. Dimetrodon: mammal like reptile more mammal thn reptile. *originated about 65 mya right after the extinction of dinosaurs lorises, tarsiers, monkeys, apes, humans.
