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Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion: High Speed Gaits in Mammalian Herbivores RUNNING GAITS In four-legged mammals, a running gait is one where…
Slide 1 Biology 342 Flight Stuart S. Sumida / Kathleen Devlin 1 FLIGHTâ¦FOUR TIMES Birds Bats [Extinct] Flying Reptiles Bugs 3 GENERAL REQUIREMENTS OF CREATURES MOVING…
Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion: Mammalian Walking SYMMETRICAL GAITS: Gaits are said to be SYMMETRICAL when the foot falls of two feet of…
Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion in Fishes 2 GENERAL REQUIREMENTS OF CREATURES MOVING THROUGH A FLUID MEDIUM (INCLUDING WATER OR FLYING THROUGH…
Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion: Mammalian Walking SYMMETRICAL GAITS: Gaits are said to be SYMMETRICAL when the foot falls of two feet of…
Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion in Fishes 2 GENERAL REQUIREMENTS OF CREATURES MOVING THROUGH A FLUID MEDIUM (INCLUDING WATER OR FLYING THROUGH…
Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion: Mammalian Pacing and Trotting PACING In four-legged mammals, a pace is characterized by the step-cycle…
Slide 1 Stuart S. Sumida / Kathleen Devlin Biology 342 Locomotion: Mammalian Pacing and Trotting Slide 2 PACING In four-legged mammals, a pace is characterized by the step-…
Slide 1 Stuart S. Sumida Biology 342 Phylogeny of Basal Tetrapoda Slide 2 Slide 3 The group of bony fishes that gave rise to land-dwelling vertebrates and their descendants…
Slide 1 Stuart S. Sumida Biology 342 (Simplified)Phylogey of Fishes HAGFISHES: Living relict group of fishes often considered to be amongst most primitive of vertebrates.…
Slide 1 Stuart S. Sumida Biology 342 Phylogeny of Basal Amniota What we used to think... Amphibians PRIMITIVE REPTILES âMammal-like Reptilesâ Mammals Birds 2 Um.........NO.…
Slide 1 Stuart S. Sumida Biology 342 Phylogey of Basal Chordata FEATURES TRADITIONALLY CONSIDERED TO BE SYNAPOMORPHIES OF CHORDATA: Dorsal Hollow Nerve Cord Notochord Pharyngeal…
Slide 1 Stuart S. Sumida Biology 342 (Simplified)Phylogeny of Archosauria Remember, weâre studying AMNIOTES. Defined by: EMBRYOLOGICAL FEATURES: amnion, chorion, allantois,…
Slide 1 Stuart S. Sumida Biology 342 (Simplified)Phylogey of Fishes HAGFISHES: Living relict group of fishes often considered to be amongst most primitive of vertebrates.…
Slide 1 Stuart S. Sumida Biology 342 (Simplified)Phylogeny of Archosauria Slide 2 Remember, we’re studying AMNIOTES. Defined by: EMBRYOLOGICAL FEATURES: amnion, chorion,…
Slide 1 Stuart S. Sumida Biology 342 Simplified Phylogeny of Squamate Reptiles âAmphibiaâ Amniota Seymouriamorpha Diadectomorpha Synapsida Parareptilia Captorhinidae Diapsida…
Slide 1 Stuart S. Sumida Biology 342 (Over) Simplified Phylogeny of Mammalia Memorize this. Just kidding. Monotremata Marsupalia Edentata Rodentia Lagomorpha Primates Chiroptera…
Slide 1 Stuart S. Sumida Biology 342 Simplified Phylogeny of Squamate Reptiles Slide 2 “ Amphibia” Amniota Seymouriamorpha Diadectomorpha Synapsida Parareptilia Captorhinidae…
Slide 1 Stuart S. Sumida Biology 342 (Over) Simplified Phylogeny of Mammalia Slide 2 Memorize this. Slide 3 Just kidding. Slide 4 Monotremata Marsupalia Edentata Rodentia…
Slide 1 Stuart S. Sumida Biology 342 (Over) Simplified Phylogeny of Basal Synapsida Diadectomorpha(?) Synapsida Reptilia Avialae AMNIOTA The Synapsida can be divided into…