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Water vascular system Starfish moving view from aboral surface Starfish moving view from oral surface
Note bilateral larvae!
Pharyngeal gill slits Dorsal hollow nerve cord Notochord Muscular, post-anal tail Adult Larva (b) Urochordates (a) Cephalochordates (c) Vertebrates Water flow Cross section of embryo Embryo Pharyngeal pouches become gill slits in aquatic vertebrates Phylum Chordata
Subphylum Urochordates – sea squirts
Subphylum Cephalochordate – lancelets; amphioxus
Urochordate larva cephalochordate Drepanaspis – bony skull Jawless fish Cartilaginous fish Lung fish Bony fish
Lobe-like fin Limb that can support walking on land Eusthenopteron (~385 mya) Panderichthys (~380 mya) Tiktaalik (~375 mya) Acanthostega (~365 mya) Tulerpeton (~362 mya) Fin to limb evolution
PHYLUM CHORDATA n THREE COMMON CHARACTERISTICS n I. NOTOCHORD; a cartilage support n rod sometime during development. n II. DORSAL NERVE CORD ;central.
What is a Vertebrate? Vertebrate Anatomy – Unit 1.
Vertebrates Mr. Skirbst Life Science Topic 17. Phylum Chordata.
Deuterostomes Notochord Dorsal, hollow nerve cord Pharyngeal gill slits Muscular Postanal tail Phylum: Chordata.
1. Chordate Characteristics Characteristics of Chordates A chordate is an animal that in some stage of development has: 1. Notochord- dorsal rod of specialized.
Chordates Zoology Donald Winslow 4 April 2008 Following Hickman et al. 2008, Ch 23 pp , , 512 (protochordates & early vertebrates) Ch 24.
PHYLUM CHORDATA Dorsal Notochord-long rod that supports the body- becomes the vertebrae in most. Dorsal Nerve cord-becomes the central nervous system.
Chordata: Urochordata and Cephalochordata Michelle Sit and Paul Riviere.
10. PHYLUM CHORDATA Dorsal Notochord-long rod that supports the body-becomes the vertebrae in most. Dorsal Notochord-long rod that supports the body-becomes.
Click on a lesson name to select. Section 1: Echinoderm Characteristics Section 2: Invertebrate Chordates Chapter 27 Echinoderms and Invertebrate Chordates.
Phylum: Chordata Subphylum: Vertebrata Classes: Chondrichthyes Osteichthyes Amphibia Reptilia Aves Mammalia.
Class Reptilia Class Amphibia. CHORDATA Latin term for chord
VERTEBRATES. YOU MUST KNOW… THE FOUR CHORDATE CHARACTERISTICS TRAITS WHICH DISTINGUISH EACH OF THE FOLLOWING GROUPS: CHONDRICHTHYES, OSTEICHTHYES, AMPHIBIA,
Chapter 18- Fish 2743A2DA19DC&blnFromSearch=1&productcode=US#
Chordata Intro, Urochordata and Cephalochordata
Fishes, Amphibians, and Reptiles What Is a Vertebrate? Fishes Amphibians Reptiles Vertebrate History in Rocks Table of Contents.
The Animal Kingdom. Characteristics of Animals Multicellular eukaryotes Heterotrophic Gametic Life Cycle (dipoid/meiosis/gametes/fertilization/zygote/
Chordata: Urochordata and Cephalochordata Joycelin Luc Michelle Chen
FISH HOLT CH. 30 PG CHARACTERISTICS OF FISH ENDOSKELETON.
Animals Biology Donald Winslow 8 April Kingdom Animalia Sponges (invertebrate) Radially symmetrical animals (invertebrate) Bilaterally symmetrical.
INVERTEBRATES About 97 percent of all animals are invertebrates.
Teacher Page The learner will be able to classify living things into groups based on structure. The learner will be able to understand that organisms are.
Compare and Contrast the Frog and Perch. What is an Animal? Chapter 25.1.
Chordata By Nicko and Cecil
EVERYTHING YOU ALWAYS WANTED TO KNOW ABOUT:. WHAT MAIN CHARACTERISTIC IS SHARED BY ALL VERTEBRATES?
Chapter 26 Introduction to Animals. Characteristics of Animals There are 3 general features of animals which all animals share: All animals are multicellular.
Embryo Lab. Why did your order the drawings the way you did? Please list the traits you observed that caused you to put the embryos in the order that.
Vertebrates. Characteristics of Vertebrates Vertebrates have a vertebral column and specialized cells that develop from the nerve cord. The vertebral.
Echinodermata Spiny Skinned. Echinoderms *6000 living species 20,000 extinct species *all oceans, all depths *Planktonic larvae - bilateral symmetry *adult.
Bellringer 5 minutes to finish your study guide We will go over the answers together in class.
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