'Subphylum cephalochordata' diaporamas de présentation

Four Key Chordate Characteristics

Four Key Chordate Characteristics. Macroevolution is above the species level. Microevolution is at the species level. Invertebrate Chordates. Cephalochordata - Lancelets/Amphioxus Urochordata Tunicates/Sea Squirts

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The Chordata

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What is a Vertebrate?

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ABBOTTSCOLLEGE

ANIMAL KINGDOM. PHYLUM CHORDATA. Page 81. ABBOTTSCOLLEGE. Animals that have a backbone Most advanced type of animal. An extremely successful group of animals Occupy a wide range of habitats Have: Bilateral symmetry Cephalisation Triploblastic tissue layers Segmented body

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Welcome to CVA

Welcome to CVA. Fall 2004. Introduction. Syllabus Schedule. Comparative Vertebrate Anatomy. What is it? Vertebrate Descriptive Morphology Vertebrate Functional Morphology Ontogenetic change Phylogenetic change. It incorporates:. Genetics mechanisms of heredity effects on variation

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Lophophorates

Lophophorates. Special feeding structure called lophophore Ciliated tentacles, horseshoe-shaped, circular, or coiled Suspension feeders with cilia creating current Bilaterally symmetrical, no segmentation, a coelom and U-shaped gut. Lophophorates. Phyla

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Lophophorates

Lophophorates. Special feeding structure called lophophore Ciliated tentacles, horseshoe-shaped, circular, or coiled Suspension feeders with cilia creating current Bilaterally symmetrical, no segmentation, a coelom and U-shaped gut. Lophophorates. Phyla

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phylum Chordata

phylum Chordata. around AT LEAST since Cambrian 2 cm long, no appendages or eyes for 200 my restricted to ocean, ~360 mya evolved appendages, moved to land ~60,000 (?) extant species 5500 spp. mammals (and 1/5 th of those = bats) although numbers not impressive, size is:

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Intro continued

Intro continued. Area of coverage. Kingdom Animalia Phylum Chordata Subphylum Urochordata (=Tunicata) Sea squirts, larvaceans, thaliaceans Subphylum Cephalochordata Amphioxus (lancelet) Subphylum Craniata (=Vertebrata of Haeckel) Hagfish (Mixini) Vertebrata. Deuterostomata.

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PHYLUM CHORDATA

PHYLUM CHORDATA. Phylum Chordata Characteristics. All chordates at some point in their life cycle have: -dorsal hollow nerve cord (just above the notochord)

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PHYLUM CHORDATA

PHYLUM CHORDATA. Crash Course. http://www.youtube.com/watch?v=kgZRZmEc9j4&list=EC3EED4C1D684D3ADF. Phylum Chordata Characteristics. All chordates at some point in their life cycle have: -dorsal hollow nerve cord (just above the notochord)

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Phylum Chordates

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Phylum Chordata

Phylum Chordata. Invertebrate Chordates Vertebrate Chordates. Trademarks of Phylum Chordata. Notochord Semi-rigid rod-like structure Present at some time during dvlpmnt. Made of cartilage Functions : 1. Stiffening 2. Axis for muscle attachment. Trademarks of Phylum Chordata.

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Cephalochordata

Cephalochordata. By Aleasha Connors, Molly Labenski, Savannah Turple, & Rose Walls. Introduction. Lancelets or amphioxus Buried in sand Crucial in morphology and evolution 26 species. Evolution of the Taxon. Precursors to modern fish 55 million years ago

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Chapter 38

Chapter 38. Section 2 Invertebrate Chordates. Phylum Chordata. Chordates- animals with a vertebrate (backbone) Have a notochord, pharyngeal pouches, dorsal nerve cord, & postanal tail. Evolution & Classification. Phylum Chordata is separated into three subphyla Vertebrata

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Chapter 38

Chapter 38. Section 2 Invertebrate Chordates. Phylum Chordata. Chordates- animals with a vertebrate (backbone) Have a notochord, pharyngeal pouches, dorsal nerve cord, & postanal tail. Evolution & Classification. Phylum Chordata is separated into three subphyla Vertebrata

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Phylum Chordata , Subphylum Cephalochordata

Phylum Chordata , Subphylum Cephalochordata. Lancelots (Subphylum Cephalochordata) exhibit all four characteristics of chordates throughout their entire lives Filter-feeders; use their gill slits to capture food particles

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