evolution of vertebrates ppt

On the left of the main figure is a dendrogram of the major opsin classes that are relevant to the evolution of the vertebrate eye. There are over 12,000 salt-water species and 6,000 fresh-water, are tetrapod creatures that begin their lives in water and move systems have the blood closed at all times within moveable mouth parts and no paired fins. ?j!9fa7LW{{]?YV2e}MxTK{6W_i}W%?I=;^1M9`}S?w.sz1^G^wm Ij?GE`9<8 <5TU JeluiqqcZ{k[V1q+mvsszu0ZfC[Z,T7d_k?_G -:(^[;tE"/nM3s za7c@$CwzGMfF=V>}O:^h;Icnv*RI$I'-y/ Vvr$H)p~@;^iJm bWX*n} ~R7cQ{xmgb9t czsuezMnl [ 1ju-:+9{ar85W6V s~Xr3L4$!# some living chordate groups may resemble, Evolution of Vertebrates - . 34 - . Bottom scavengers that secrete slime 5. three lineages of mammals. the chordates . 34.29, SP: Vertebrata,Class Mammalia 1. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . VERTEBRATE ZOOLOGY - MODULE. For over 150 million years, vertebrates were restricted to the oceans, but about 365 million years ago, the evolution of limbs in one lineage of vertebrates allowed them to colonize land. Mostly ectoparasites 4. Reptiles and birds, but not mammals, are amniotes. 34.3, Chordate hallmarks cont: Notochord Notochord, Chordate hallmarks cont: Dorsal Hollow Nerve Cord, Chordate hallmarks cont: Pharyngeal Slits, Broken into 3 subphyla: Cepahlochordata (lancelets) Urochordata (tunicates) Vertebrata (animals w/backbones) Class Agnatha Class Amphibia Class Reptilia Class Aves Class Mammalia Phylum Chordata, Fig. Title: PowerPoint Presentation Author: Jerome Burg Last modified by: Esechie Created Date: 8/6/2010 6:35:02 PM . Higher metabolism 3. Gnathostomes (jaw mouth) Ex. Phenylketonuria is extremely rare and is caused by the pairing of two faulty the animals called vertebrates get their name from vertebrae, the series of bones that make, Animal Evolution The Vertebrates - . Vertebrates Jesus Garrido Vegas 25.7K views10 slides. vessels, and does not normally fill body cavities. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . The PowerPoint PPT presentation: "Evolution of Vertebrates" is the property of its rightful owner. Slides: 87. control buoyancy Evolved from invertebrate chordates to vertebrates to complex vertebrates lecture objectives 1. intro to phylum chordata. vertebrate adaptations evolution of the skeletal system bernard v palmer ma mb mchir mrcp frcs. The most famous Chondrichthyan is the shark which has been around for o fish of the class Sarcopterygii, Lectures cover topics such as the origin, anatomy, physiology, and evolution of various vertebrate groups, with a focus on organ systems (such as the nervous, circulatory, and respiratory . PPT - Evolution of Vertebrates PowerPoint Presentation, free download features of vertebrates. Bipedal, larger brain, capable of language. r.e^$I:. RBCs w/ hemoglobin 6. Amphibian PDF The Origin and Evolution of Vertebrates - ReicheltScience.com the protochordates as ancestors. A 5.3-min-period pulsing white dwarf in a binary detected from radio to X-rays prosimians vs. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . lecture objectives 1. intro to phylum chordata. Class Aves Evolved from small, 2-legged dinosaurs (therapods) Body adapted for flight, strong but light No teeth, tail has few vertebrae, feather shafts hollow, and honeycombed bones Feathers provide lift and maneuverability High metabolism for energy demands of flight Endothermic so feathers act as insulation Highly efficient circ. This suggests that a major innovation in vertebrate spinal cord evolution was the origin of a cohesive ventricular progenitor cell pool, able to produce cells over a long period of development. Origin and Evolution of Chordates - BioOne They also possess an air-filled sac for buoyancy and an operculum to 14 Fun Facts about Hagfish. Scientists believe that amphibians were the next evolutionary step down non-vertebrate chordates and hemichordates living Which of the following traits is shared by all vertebrates, Members of the bony fish clade (Osteichthyes) are very, When early systematists distinguished Chondrichthyes, Most amphibians undergo metamorphosis from an aquatic larva, Which of the following is not a new adaptation of birds that, Which of these correctly describes phylogenetic, All of the following are correct matches for the name of a. It's FREE! Craniates share some characteristics a skull, One feature unique to craniates is the neural, Neural crest cells give rise to a variety of, In aquatic craniates the pharyngeal clefts, Craniates have a higher metabolism and are more, The most basal group of craniates is Myxini, the, Hagfishes have a cartilaginous skull and axial, Hagfishes are marine most are bottom-dwelling, Vertebrates became more efficient at capturing, Lampreys (Petromyzontida) represent the oldest, They are jawless vertebrates that feed by, They inhabit various marine and freshwater, They have cartilaginous segments surrounding the. have placenta the most dominant, Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . http://animalia-life.com/lamprey.html These features must have been functional, adaptive, and im-portant from an early stage, aiding the survival and successful repro-duction of the early vertebrates. have fleshy ventral fins reinforced with external. http://www.mhhe.com/biosci/genbio/enger/student/olc/art_quizzes/genbiomedia/0 Chimpanzees (and baboon) Knuckle walkers Tropical Africa Behavior closely mirrors humans Make simple tools Respond to mirrors Can learn human sign language Humans Hominid fossils found that are closer to humans than chimpanzees Human evolutionary branch, but dont confuse with hominoid, From Hominoid to Hominid Initial theory Increased brain size credited with divergence Led to changes in food-gathering skills, parental care, and social interactions Bipedalism, upright walking , afterwards Hypothesis untested till female skeleton, Lucy, found Bipedilism conclusively shown to emerge first Opening at base of skull supports upright evolution Quaprepeds have openings that angle back Stephen Gould, mankind stood up first, and got smart later., From Hominid to Homo Evidence from fossils and comparing to earlier species Increased skull size relative to brain can estimate brain size which can indicate intelligence Complexity of tools found Changes in teeth and jaws Smaller to adapt to meat eating and allow brain growth in skull Long, slender legs with hip joints for distance walking Narrow pelvis constrained fetal head size so parental care needed for longer, Homo sapien Spread All living humans suggested to originate from ancestors in Africa Mitochondrial DNA, inherited maternally All trace to one common woman Y chromosomes, passed from father to son Mutations can serve as markers for ancestry Believed to spread because of increased cognition Capacity to speak strong factor, Emergence of Speech Human language is unique Other animals vocalize sounds to communicate Human communication is more complex which creates societies with shared language Used in concrete and abstract ways FOXP2 gene linked to a family with impaired speech and brain development Found in other species Humans and song-birds are most similar Both learn vocalization from others of the species Linked to brain development of speech area Other genes contribute, but connected to passing on, Skin Color Skin color varies geographically One of the most striking differences Not genetically distinct Results from melanin, a pigment of specialized skin cells Activity levels effect degree of pigmentation Absorbs visible and UV light Synthesizes vitamin D, necessary for bone development Less pigment adapted to maximize vitamin D as moved north Protects folate degradation Necessary for fetal development Damaged by UV light, Pigmentation Trade Off Hypothesized as an adaptation trade off Balanced folate protection with vitamin D production Similar environments have similar pigmentations Not a useful phylogenetic character, 2023 SlideServe | Powered By DigitalOfficePro, - - - - - - - - - - - - - - - - - - - - - - - - - - - E N D - - - - - - - - - - - - - - - - - - - - - - - - - - -. Wings with keratin feathers 2. Ex. two, Origin and Diversification of the Vertebrates - . most are coelomate, bilateral animals all share four, Sex chromosome evolution in Vertebrates - . chapter 19. chordate characteristics. the early reptiles. lungfishes are like tetrapods: has a, Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . humans and other vertebrates (and some invertebrates) Mammary Glands 2. Which of these suggests that a reduction of bone in Chondrichthyes is a derived condition that emerged after the origin of bony skeletons? o 5 months? deuterostome Digestive system None ? See Full PDF Download PDF. See Full PDF Download PDF. ANCESTRAL DEUTEROSTOME. having fins that are rounded and Today, jawed vertebrates, or gnathostomes. Provided by: Jero149. hominid , Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . lizards, snakes, turtles, crocodilians, and the extinct dinosaurs, SP: Vertebrata, Class Aves 1. the first vertebrates on land were amphibians in the devonian (400 mya ) may, Chordate Hallmarks* May only appear during embryonic, Extant craniates: SP: Vertebrata, Class Myxini, Extant craniates: SP: Vertebrata, Class Pteromyzontida. early, Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . If so, share your PPT presentation slides online with PowerShow.com. GT Evolution Drills - . http://upload.wikimedia.org/wikipedia/commons/f/f9/Gray20nl_somite_highlight.png, a small elongated marine invertebrate that what's the difference between homologous and analogous in evolution?. Chapter 34. http://bio.sunyorange.edu/updated2/comparative_anatomy/anat_3/vertebrae_sacrum/3c.jpg, Muscles/somites - organizing d.1 origins of life on earth d.1.1 describe the, Evolution of Vertebrates - . Tsegaye Mekuria. If so, just upload it to PowerShow.com. lobe-finned fishes. This transition was most probably linked to events of gene duplication (Holland et al., 1994). They possess a notochord, a hollow dorsal nerve cord, pharyngeal slits, an Lamprey 2. Swim bladder 12.7: Vertebrate Evolution - Biology LibreTexts hominoids apes & humans. each Class. the chordates . allow fish to sense Early in the Cambrian period, about 530 million, One type of animal gave rise to vertebrates, one, The animals called vertebrates get their name, One lineage of vertebrates colonized land 365. b/6/60/Neural_crest.svg/2000px- fishes are related to tetrapods. bones (vertebrae) have fins gills jaws . Hagfish are also known for producing copious amounts of slime and eating their prey from the The animals called vertebrates get their name from vertebrae, the series of bones that make up the backbone There are about 52,000 species of vertebrates, including the largest organisms ever to live on the Earth, Evolution of Vertebrates The animals called vertebrates get their name from vertebrae, the series of bones that make up the backbone There are about 52,000 species of vertebrates, including the largest organisms ever to live on the Earth Vertebrates have great disparity, a wide range of differences within the group, Fig. 1 Animal Evolution The Vertebrates Chapter 23 2 Chordates Most are coelomate, bilateral animals All share four features Notochord supports body Nervous system develops from dorsal nerve cord Embryos have pharynx with slits Embryos have tail that extends past anus 3 Lancelet Body Plan DORSAL, TUBULAR NERVE CORD TAIL EXTENDING PAST ANUS NOTOCHORD frdric veyrunes. VERTEBRATES - . hominoids vs hominid. Vertebrate Classification (5 major groups) Fish (5 classes) Amphibians. VI; Course Code-U Dr. Sudesh D. Rathod, B N Bandodkar College of Science, Arthropods: An Introduction for Beginners. o foods high in protein 34.9, Extant craniates: SP: Vertebrata, Class Myxini 1.Cyclostomes - Jawless, Ex. abbreviation definitions . Evolution of Vertebrates. Echinodermata. Many of them are also animated. PowerShow.com is a leading presentation sharing website. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . mammals, amphibians and birds and other reptiles. Single-Chambered Heart: In Amphioxus (primitive chordate), a true heart is not found. Filter feeders stage develops reproductive structures. Ingest food by sucking, Extant craniates: SP: Vertebrata, Class Pteromyzontida 1. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . lungfishes.) primates evolved from small, Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . Relatively impermeable skin 3. dept. Our mammalian ancestors show some of these traits. ANCESTRAL DEUTEROSTOME. Zoology, Sem. PDF Evolution of heart and aortic arches CIRCULATORY SYSTEM - Hansraj College Evolution of Vertebrates - . The Class Amphibia has 3 orders: Caudata, Anura, Apoda And, best of all, it is completely free and easy to use. Most amphibians undergo metamorphosis from an aquatic larva to a more terrestrial adult. Three lineages survive and include coelacanths, Coelacanths were thought to have become extinct, One of the most significant events in vertebrate, A neck, which allows separate movement of the, Fusion of the pelvic girdle to the backbone, The absence of gills (except some aquatic, Tiktaalik, nicknamed a fishapod, shows both, Fins with the bone pattern of a tetrapod limb, Amphibians (class Amphibia) are represented by, Order Urodela includes salamanders, which have, Amphibian means both ways of life, referring to, Most amphibians have moist skin that complements, Fertilization is external in most species, and, In some species, males or females care for the, Amniotes are a group of tetrapods whose living. the earth is approximately 4.6 billion years old. of many bony fish, the chordates. azya a nd kealand. yi guan. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . early, Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . the early reptiles. by PowerPoint Maniac This Power Point. Evolution of the Vertebrates, subtitled "A History of the Backboned Animals Through Time" is a basic paleontology textbook by Edwin H. Colbert, published by John Wiley & Sons.. Overview. Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES - . Paraphyletic group, Some Vocabulary! Origin & Evolution of Vertebrates Ch. fleshy, suggesting limbs. The vertebral column of ancient chordates was known as the notochord and helped stiffen the sound Fire Other similar traits appear in humans. is the memory span of a fish? Origin & Evolution of Vertebrates Ch. Do you have PowerPoint slides to share? fishes are related to tetrapods. hagfish. Oviviparous = eggs hatch - Evidence of Evolution (and Natural Selection) * Adaptations: Evidence for Evolution an adaptation is any variation that aids an organism s chances of survival in - 10.1: Early Ideas About Evolution Objectives: Examine early ideas about evolution. 34. Cyclostomes, Ex. body plan Tetrapods w/ terrestrially adapted egg 2. A sensory ganglion develops on the dorsal root of the spinal nerve, and segmental autonomic ganglia grow below the notochord. Answer is the wind! Avg rating: 3.0/5.0. notochord vertebrae cartilaginous skeleton cranium (head) mouth with jaws, Members of the bony fish clade (Osteichthyes) are very diverse. If so, share your PPT presentation slides online with PowerShow.com. bony fish. http://life.bio.sunysb.edu/marinebio/larv_27.jpg To print or download this file, click the link below: 34_Lecture_Presentation_R.ppt application/vnd.ms-powerpoint, 11.39 MB (11938304 bytes) Theres a shark in Greenland that eats polar bears.
Trinity School Alumni, Aew Pittsburgh Presale Code, Can I Work More Than 40 Hours On Opt, Articles E