BIOL-3030 Study Guide - Quiz Guide: Heterodont, Midbrain, Superior Colliculus
Document Summary
Chordates: notochord, dorsal hollow nervous cord (dhnc, post anal tail. Jaws: 2 pairs of paired appendages, 3rd horizontal semicircular duct in vestibular system of the ear. Batoids: flat bodies, ventral gills, durophagy (consume hard shelled animals) Osteichthyes: lepidotrichia, lungs (or swim bladder, actinopterygii: single dorsal fin. Amphibian: lissamphibian, smooth, glandular skin (mucus and poison glands, bicuspid, pedicellate teeth, batrachia, opercular apparatus, salamander, developmental traits, recognized by long tail (primitive, frog, salutatory locomotion. Animotes: amniotic egg, aminion: cushions, yolk sac: nutrients, chorion: respiration, allantois: waste. Turtles: shell (carapace and plastron, limb girdles attached deep to ribs, no teeth keratin beak only. Lepidosaurs: transverse cloacal silt (vent, squamate, bifurcated penis, colubroids, lost all traces of pelvic girdle, single carotid artery to brain. Archosaurs: hindlimb modifications to direct foot forward and more upright limb posture. Insulation: feathers: gizzard: modified stomach holds swallowed rocks to help grind food.
