'Gill slits' diaporamas de présentation

Table of Contents

Table of Contents. Chapter Preview 12.1 What Is a Vertebrate? 12.2 Fishes 12.3 Amphibians 12.4 Reptiles 12.5 Birds 12.6 Mammals. 12.1 Structure and Function of Vertebrates 12.2 Fishes 12.3 Amphibians 12.4 Reptiles 12.5 Birds 12.6 Mammals. Chapter 12 Preview Questions.

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Phylum Chordata

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Chordata

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Which classification system makes use of multiple levels from domain to species?

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Animal Kingdom

Animal Kingdom. SB3b. Compare how structures and functions vary between the 6 kingdoms (Animals) . General Characteristics of the Kingdom :. All animals are multicellular . Their cells group together to form tissues which then group to form organs which further group into organ systems.

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Back to Chapter 7

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Types of Fishes

Types of Fishes. Three types of fishes: Jawless fishes Cartilaginous fishes Bony fishes. Jawless Fishes. Class Agnatha Decendants of Ostracoderms (armored fishes) Lack jaws , feed by suction with the aid of a round, muscular mouth and rows of teeth

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Cartilaginous Fishes

Cartilaginous Fishes. Class Chondrichthyes. Cartilaginous Fishes. This group includes: sharks, rays, skates, and ratfishes. Characteristics of Cartilaginous Fishes. Have a skeleton made of cartilage (lighter and more flexible than bone).

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Chordates and Fishes

Chordates and Fishes. Characteristics of Chordates A chordate is an animal that in some stage of development has: Notochord- dorsal rod of specialized nerves A dorsal nerve chord- hollow tube just above the notochord Pharyngeal pouches- small out pockets of the anterior gut

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What are the ten major phyla in the Animal Kingdom?

What are the ten major phyla in the Animal Kingdom?. Intro. to the 10 Major Animal Phyla. Phylum Porifera. Composed of sponges About 10,000 species. Considered to be the 1 st group of animals on Earth. Sponge body even contains cells that resemble protists . Choanocytes.

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Evidence for Evolution

Evidence for Evolution. One of the major ways in which scientists can observe evolution is by looking at small-scale evolutionary phenomena. This is known as microevolution. Microevolution describes changes that occur within a population of a single species. Peppered moth

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Evidence for Evolution

Evidence for Evolution. One of the major ways in which scientists can observe evolution is by looking at small-scale evolutionary phenomena. This is known as microevolution. Microevolution describes changes that occur within a population of a single species. Peppered moth

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Invertebrates

Invertebrates. Octopus Video. Phylum Chordata. C. Vertebrata Share four chordate characteristics + vertebral column (spine, backbone) Spine encloses and protects nerve cord (spinal cord) Anterior end of spinal cord = brain protected by skull made of bone or cartilage 1. Fishes

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Classification & The Animal Kingdom

Classification & The Animal Kingdom. Classification : the grouping of anything according to its similar characteristics. The science of classifying organisms is known as taxonomy . How are Organisms Classified?. There are eight classification groups of living things: Domain Kingdom

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Vertabrate Project

Vertabrate Project. By Danielle Shewmake Period 4. Myxine glutinosa a.k.a. Hagfish Class: Agnatha. Hagfish ( A gnatha ). Statistics:. Creative Facts:. Cold Blooded 2 heart Chambers External Fertilization Habitat: Deep Sea Jawless, elongated eel-like bodies Lateral line system

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April 25 Computer Lab

April 25 Computer Lab. Use the powerpoint to take your notes! Play the games and fill in your paper! . Why is it called Natural selection?. Darwin saw how similar it was to artificial selection

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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 .

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Order: Pristiophoriformes Family: Pristiophoridae (Sawsharks)

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Shark Scavenger Hunt

Shark Scavenger Hunt. All About Sharks.

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Lecture 6 ANIMAL EVOLUTION: THE VERTEBRATES

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