'Sea squirts' diaporamas de présentation

Phylum Chordata

Phylum Chordata. Notochord . A stiff cartilaginous rod which supports the nerve cord. Post-anal tail . This is an extension of the body past the anal opening. Blood that circulates forward in a main ventral vessel and backward in a dorsal vessel. . Phylum Chordata Subphylum Urochordata.

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Chapter 34

Chapter 34. Vertebrates. Vertebrates. Get their name from vertebrae, the series of bones that make up the backbone. Vertebrates. There are approximately 52,000 species of vertebrates

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Tree of Life

Tree of Life. Planet Earth is about 4.6 billion years old. Oldest known rocks are about 3.8 billion years old. Oldest fossils (prokaryotes) are about 3.5 billion years old. Tree of Life. All living organisms on this planet share a common ancestor.

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4-27-06 Chapter 34 Pages 671-700

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Phylum Chordata

Phylum Chordata. A Tribute to the Diversity We Know. Introduction. Members of the Phylum Chordata include animals with which we are probably most likely familiar (including fish, birds, reptiles, amphibians and beasts like ourselves)

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The Animal Kingdom

The Animal Kingdom . The Chordates Nancy G. Morris Volunteer State Community College. Phylum Hemichordata. Hemichordata (hemi = half; chordata= cord) acorn worm entirely marine adults show 3 of 4 basic characteristics: 1) pharyngial pouches 2) dorsal tubular nerve chord 3) tail

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Vertebrate Origins

Vertebrate Origins. Vertebrates are but a single subphylum within the chordates. What defines a chordate? Notochord at some stage of development. Dorsal hollow nerve cord. Pharyngeal gill slits present at some stage of development

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Biology 2201 Unit 2- Biodiversity

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Vertebrate Evolution and Diversity

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Aquatic Chordates of Alabama and Adjacent Waters

Aquatic Chordates of Alabama and Adjacent Waters. Invertebrate Chordates. Tunicates (Sea Squirts) Lancelets. Tunicate. Lancelet. Jawless Fish. Class Cephalospidomorphi-Lamprey Class Myxini-Hagfish. Lamprey. Hagfish. Class Chondrichthyes. Sharks and Rays Chimaeras. Tiger Shark.

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Chordates and Fish

Chordates and Fish. Members of the ANIMAL KINGDOM and the PHYLUM CHORDATA They have a dorsal, hollow nerve cord and a notocord. What is a chordate?. pharyngeal pouches (become gills) Tail - extends beyond anus Most chordates are vertebrates (SUBPHYLUM VERTEBRATA). Chordates have.

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An Introduction W.T. Winter wtwinter@syr.edu 215 Jahn Lab; x6876

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Sea squirts: Urochordata related to amphioxus and cephalochordata

Sea squirts: Urochordata related to amphioxus and cephalochordata. Diagram by Woods Hole Oceanographic Institution Hole. Filter feeding in annelids: sabellid worms. Arenicola : lugworm Polychaete Annelida. Tail toward head shaft

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Phylum Chordata

Phylum Chordata. A.K.A. Chordates. Four Distinguishing Features. Single, hollow, dorsal nerve cord Gill or pharyngeal slits (small openings along anterior part of body or pharynx) Notochord: flexible rod for support that lies between the nerve cord and gut

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Chordates

Chordates. Chapter 23. I. Ancestry and Evolution. Anatomical, developmental, and molecular evidence indicate chordates arose about 570 mya from lineage related to echinoderms. One lineage of fossil echinoderms has pharyngeal slits and other chordate characteristics.

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Urochordates = Tunicates = Sea squirts

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Marine Organisms and Natural Products : Why are there poisons and how did they get there?

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Chordate Evolution (Chapter 30.1, and 33 )

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Introduction to Chordata

Introduction to Chordata. Subphylums Urochordate & Cephalochordates. Phylum Chordata- . Phylum chordata. 4 major characteristics of Chordates?. Classification . Domain Eukarya Kingdom: Animal Phylum: Chordata Subphylum Urochordata Ex: sea squirts Subphylum Cephalochordata

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Chesapeake Bay Research

Chesapeake Bay Research. BY: Thiago Adao. It is important to have a variety of living things in the Bay.

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