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Lancelet, Branchiostoma

Lancelet, Branchiostoma

Lancelet, Branchiostoma. Outline. Chordates Non-vertebrate Chordates Vertebrates Fishes Amphibians Reptiles Birds Mammals. Chordates. Phylum Chordata Four Main Characteristics Notochord Nerve Cord Pharyngeal Pouches Tail. Invertebrate Chordates.

By niveditha
(420 views)

Fishes

Fishes

Fishes. Chapter 24. I. Diversity. 26,000 living species—more species than all other vertebrate groups combined Adapted to live in a medium 800 x more dense than air Can adjust to salt and water balance of environment Gills extract oxygen from water that has 1/20 th the oxygen of air

By babu
(190 views)

鱼 类 学 Ichthyology

鱼 类 学 Ichthyology

鱼 类 学 Ichthyology. 教学目的和要求. 性质:专业基础课。 内容:鱼类外部形态、内部构造、系统分类、鱼类生物学基础 重点:基本概念、基础知识 技能:鱼类外部形态测量、器官解剖、种类鉴定. 教学参考书. 苏锦祥主编。鱼类学与海水鱼类养殖。中国农业出版社, 1995 年,第二版。 1-334 。 孟庆闻等编著。鱼类比较解剖。科学出版社, 1987 年。 孟庆闻等编著。鱼类分类学。中国农业出版社, 1995 年。 成庆泰等,中国鱼类系统检索(上、下册)。科学出版社。

By cachet
(327 views)

Marine Fishes

Marine Fishes

Marine Fishes. Pelagic organisms that can actively swim (against a current) are known as nekton. Nekton include some invertebrates such as cephalopods and pelagic arthropods such as shrimp and swimming crabs, but most nekton are vertebrates. Phylum Chordata , Subphylum Vertebrata.

By ford
(270 views)

A Fish Primer

A Fish Primer

A Fish Primer. WMAN 445 Intro Fish Management August 31, 2006. Why Study Fish?. Academic Most diverse group of vertebrates Most ancestral vertebrate group Understanding their evolutionary relationships helps us understand the more derived groups Applied

By lars
(138 views)

Chapter 11

Chapter 11

Chapter 11. Fishes, Amphibians, Reptiles. Section 1: What is a Vertebrate?. Characteristics of CHORDATES Most are Vertebrates (have a backbone) Some point in life cycle all chordates have: Notochord Nerve cord that runs down their back (like a spinal cord) Slits in their throat area.

By delilah
(168 views)

Three Domains of Life

Three Domains of Life

Three Domains of Life. Kingdom Animalia. Eukaryotic (Domain Eukaryota) Multi-cellular (unlike most Protists) Lack cell walls (unlike Plants and Fungi) Heterotrophic, by ingestion – Animals obtain their nourishment by ingesting other organisms (unlike Fungi). Kingdom Animalia.

By tatum
(2 views)

Phylum Chordata

Phylum Chordata

Phylum Chordata. 3 Subphyla:. Urochordata – tunicates (sea squirts) Cephalochordata - lancets Vertebrata - vertebrates. Urochordata. Tunicates (Sea squirts) are INVERTEBRATES. Cephalochordata. Lancets are INVERTEBRATES. Vertebrata. Vertebrates are …VERTEBRATES!. New Characteristics.

By bethan
(158 views)

Fishes

Fishes

Fishes. Fishes - Biology. Body Shapes Strongly related to lifestyle. Fishes - Biology. Body Shapes Fusiform. Video. Fishes - Biology. Body Shapes Laterally Compressed. Video. Fishes - Biology. Body Shapes Flattened. Fishes - Biology. Body Shapes Eel-like. Video. Fishes - Biology.

By duante
(248 views)

Chapter 48 The Respiratory System

Chapter 48 The Respiratory System

Chapter 48 The Respiratory System. Gas Exchange. One of the major physiological challenges facing all multicellular animals is obtaining sufficient oxygen and disposing of excess carbon dioxide

By yanni
(173 views)

Invertebrates

Invertebrates

Invertebrates. Birds. Fish. Reptiles. Mammals. Miscellaneous. Inverts. Birds. Fish. Reptiles. Mammals. Miscellaneous. $100. $100. $100. $100. $100. $100. $200. $200. $200. $200. $200. $200. $300. $300. $300. $300. $300. $300. $400. $400. $400. $400. $400. $400.

By howie
(75 views)

Digestion and Nutrition

Digestion and Nutrition

Digestion and Nutrition. Chapter 34. Digestion mechanical/chemical breakdown of food  nutrients  absorbed into blood mechanical initial, physical breakdown of food into small pieces does not change chemical make-up of food mouth and stomach chemical

By nitara
(220 views)

Fish!

Fish!

Fish!. Fish or Fishes? Multiple individuals of one species are fish. Multiple individuals of more than one species are fishes . aquatic vertebrates; most with paired fins, scales, and gills . Kingdom – Anamalia Phylum – Chordata Subphylum Vertebrata

By alton
(171 views)

Chordata (Fishes)

Chordata (Fishes)

Chordata (Fishes). Agnatha , Chnondrichthyes , Osteichtheys Movement, Shape, Propulsion Leveling Feeding and Defense. Class Agnatha. Includes Hagfish and Lampreys Agnatha means lacking a jaw (jawless fish) Evolved first

By deacon
(150 views)

Fishes

Fishes

Fishes. Chapter 11 Section 2. Characteristics of Fishes. Vertebrate Lives in the water Uses fins to move Ectotherms Obtain oxygen through gills Have scales . Obtaining Oxygen. Fishes get oxygen from the water Fish gulps water (water contains oxygen)

By caia
(181 views)

Early Chordates, Craniate and vertebrate origins

Early Chordates, Craniate and vertebrate origins

Part 1. Where does it start?. Early Chordates, Craniate and vertebrate origins. Phylum Chordata. Animal Kingdom. Vertebrates over here. Chordata (animals with notochord at some stage in life cycle). Craniata (euchordates with a cranium) = Vertebrata. Gnathostomata (Craniata with jaws).

By shiri
(353 views)

Chapter 26: Animal evolution - The C hordates

Chapter 26: Animal evolution - The C hordates

Chapter 26: Animal evolution - The C hordates. Ruth Cuaboy. C haracteristics of C hordates. Notochord ; connective tissue extending along body . To provide support . Dorsal: Nerve cord . Gill slits : along the throat ( pharynx ) Muscular tail : extending tail beyond the anus .

By rowena
(77 views)

Vertebrates

Vertebrates

Vertebrates. Mammal evolution. Originated in the ocean Land vertebrates descended from bony fishes On land, evolved 2 pair of limbs = tetrapods (4 footed) and lungs. Some amphibians evolved into reptiles, some reptiles into mammals or birds

By oona
(121 views)

SKELETAL SYSTEM: APPENDICULAR SKELETON

SKELETAL SYSTEM: APPENDICULAR SKELETON

SKELETAL SYSTEM: APPENDICULAR SKELETON. Mrs. Ofelia Solano Saludar Department of Natural Sciences University of St. La Salle Bacolod City. Appendages and supporting girdles: pectoral and pelvic.

By gunnar
(240 views)

Fish and Amphibians

Fish and Amphibians

Fish and Amphibians. Chapter 30 TURBOBLAST Edition!. What is a fish??. All fish are: Chordates, vertebrates, bilaterally symmetrical coelomates Have endoskeleton, closed circulatory systems, nervous systems with complex brains & sense organs, efficient respiratory systems

By fergal
(169 views)

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