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Urochordates = Tunicates = Sea squirts Protochordates include (See figure 2-2 in text)
Underappreciated beauty of tunicates
Notochord Dorsal hollow nerve cord Pharynx with endostyle Muscular post anal tail Adhesive surface Larva “stands on its head” and attaches to surface
Urochordate larva – diagrams don’t do it justice!
Cephalochordates = Amphioxus = Lancelets (See figure 2-2 in text)
Living Agnaths - Lamprey Hagfish Where’s the link to protochordates?
Lamprey larva = Ammocoetes Tunicate larva See figure 3-6
Lamprey- Vertebrate Ectoparasites
Estimates of 30-40lbs of fish killed by a lamprey in adult life span
Human influences 1800’s Erie canal Weeland canal around Niagra falls !
Lamprey Control: Exploiting basic natural history
Lamprey Control: Larvicides and spawning barriers
AKA Slime eels!
Even Hagfish can be beautiful!
Ordovician Agnaths - Ostracoderms
Myllokumingia Haikouichthys A Recent Surprise – Vertebrates (or at least Craniates) in the Cambrian!!!!
What is a Vertebrate? Vertebrate Anatomy – Unit 1.
PHYLUM CHORDATA n THREE COMMON CHARACTERISTICS n I. NOTOCHORD; a cartilage support n rod sometime during development. n II. DORSAL NERVE CORD ;central.
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Chordates Zoology Donald Winslow 4 April 2008 Following Hickman et al. 2008, Ch 23 pp , , 512 (protochordates & early vertebrates) Ch 24.
1. Chordate Characteristics Characteristics of Chordates A chordate is an animal that in some stage of development has: 1. Notochord- dorsal rod of specialized.
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Compare and Contrast the Frog and Perch. What is an Animal? Chapter 25.1.
Deuterostomes Notochord Dorsal, hollow nerve cord Pharyngeal gill slits Muscular Postanal tail Phylum: Chordata.
Sea Lampreys Sea lampreys are members of an ancient family of jawless fishes that were around before the dinosaurs.
PHYLUM CHORDATA Dorsal Notochord-long rod that supports the body- becomes the vertebrae in most. Dorsal Nerve cord-becomes the central nervous system.
Vertebrates Mr. Skirbst Life Science Topic 17. Phylum Chordata.
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.
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/
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Do I Dare? 3 rd grade. Ohhhhhhh…. Ohhhhhhh….. I dare to act like a thinking human being. With my head on straight and my priorities clear. I dare to.
By Taylor Sumlin I would go to the time of cave men where I would see how cave men lived and I would also be able to see how the dinosaurs lived with.
How Do Animals Change as They Grow? The learner will: Recognize that as an organism grows, its appearance may change. Recognize that as an organism grows,
VERTEBRATES. YOU MUST KNOW… THE FOUR CHORDATE CHARACTERISTICS TRAITS WHICH DISTINGUISH EACH OF THE FOLLOWING GROUPS: CHONDRICHTHYES, OSTEICHTHYES, AMPHIBIA,
Fish. What are Fish? Fish are aquatic vertebrates (animals with backbones) with fins for appendages. They "breathe" by means of gills. Fish make up the.
Chapter 7 Chapter 7 The HypothalamusPituitary Thyroid (HPT) Axis of Non- Mammalian Vertebrates Copyright © 2013 Elsevier Inc. All rights reserved.
I Can Only Imagine I can only imagine What it will be like When I walk By Your side.
How does the Buoyancy Force change with depth ? or How do fish ever reach the bottom of the sea ? Swim bladder – A gas pocket which can be controlled to.
Science – Visual Study Guide Chapter 4 – Lessons 1-4 Mr. Rowe & Ms. Hallock.
Fish The most diverse and successful vertebrates.
INVERTEBRATES About 97 percent of all animals are invertebrates.
By Esteban Hombre There are five different group of animals with vertebrates. These classifications are: Mammals Fish Reptiles Birds Amphibians.
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