PPT-The Origin and Evolution of Vertebrates

Which of the following traits is shared by all vertebrates at least in some developmental stages except the lampreys notochord vertebrae cartilaginous skeleton cranium head mouth with jaws. Introductory Video. Objective: Students will identify vertebrates and classify some as birds and fish.. Lesson 2.1 God's Design of Vertebrates. Unique. One of a kind. Verterbrate: An animal with a backbone. Embryological Evidence for Evolution. Development Videos & Articles. Main idea behind our activity was to determine how the similarities between the embryos of vertebrates provides evidence of evolution . THE EVOLUTION OF ANIMAL DIVERSITY. WHAT IS AN ANIMAL?. DEF .  ??. ANIMALS OBTAIN NUTRIENTS BY . INGESTION. INGESTION  DEF??. THERE ARE MANY OTHER UNIQUE FEATURES THAT DISTINGUISH ORGANISMS AS ANIMALS. The . Protochordates. as Ancestors. Some living chordate groups may resemble the primitive vertebrate ancestors (. protochordates. ). Hemichordates. Burrows in marine sediments (acorn worms). (+) pharyngeal gill slits; . Invertebrates. I can classify animals by determining if. they are vertebrates or invertebrates.. Essential Questions. • . Why do we classify animals. ?. • How do we classify animals?. Think-Pair-Share. Regulates water, pH and ion balance . Kidneys present in all vertebrates, but exchanges can occur at gills, skin, liver, and specialized salt glands. . Urinary system. Development is again used for comparisons among our different vertebrates. THE ORIGIN AND EVOLUTION OF MICROBIAL LIFE. HOW DID LIFE ORIGINATE?. SPONTANEOUS GENERATION. LIFE ARISING FROM NON-LIVING MATTER. LONG BELIEVED AS THE ACCEPTED EXPLANATION OF ORIGINATION OF LIFE. EXPERIMENTS EVENTUALLY SHOWED IT TO BE IMPOSSIBLE. Cnidaria. Ctenophora. Rotifera. Nematoda. Nemertea. Mollusca. Annelida. Arthropoda. Bryozoa. Phoronida. Brachiopoda. Echinodermata. Chordata. No true tissues. radial symmetry. diploblastic. true tissues. - Reptiles and Mammals -. Amniote. Egg. Amnionic sac – protects embryo. Allantois – disposal sac for embryonic waste, works with chorion in gas exchange. Yolk sac – storage and transfer of nutrients to developing embryo. The . Protochordates. as Ancestors. Some living chordate groups may resemble the primitive vertebrate ancestors (. protochordates. ). Hemichordates. Burrows in marine sediments (acorn worms). (+) pharyngeal gill slits; . “…sparked by just the right combination of physical events & chemical processes…”. Bacteria. Archae-. bacteria. Animalia. Fungi. Protista. Plantae. 4500. 4000. 3500. 3000. 2500. 2000. 500. (Hons), Zoology. Panjab University, Chandigarh. ORIGIN OF UNIVERSE. BIG BANG THEORY. Thermonuclear explosion. Origin of universe occurred 20 . bya. .. ORIGIN OF EARTH. NEBULAR HYPOTHESIS. Condensation of gases under Gravitational force. Department of Anthropology, George Washington University, Washington DC, USA. 334 macropomaClupavus maroccanusSorbininardus apuliensis and Tischlingerichthys viohli(Diogo, 2007; see Fig. 1). This thus Theories of origin of life. What is life?. The condition that distinguishes . animals and plants. from . inorganic matter. , including the capacity for . growth. , . reproduction. , . functional activity.