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1 Phylum Echinodermata BIO 2215 Oklahoma City Community College Dennis Anderson
2 Phylum Echinodermata Radial symmetry No head or brain Spiny skin Water vascular system No excretory organs Deuterostome Bilateral lavrae
3 Porifera Platyhelmithes Mollusca Arthropoda Hemichordata Cnidaria Nemertea Annelida Echinodermata Chordata Lophophores Protozoans
4 Class Asteroidea Star Fish 5 or more tapering arms Mouth on underside Endoskeleton –Ossicles Tube feet Feed on molluscs and sea urchins
7 Aboral Surface Madreporite
8 Pedicellaria SpineSpine PedicellariaPedicellaria DermalbranchiaDermalbranchia
9 Class Asteroidea Aboral surface Oral surface Tube feet and ambulacralgroove ambulacralgroove
10 Water vascular system MadreporiteMadreporite Ring canal Stone canal Radial canal Lateral canal Tube feet PolianvesiclesPolianvesicles Tiedemann’sbodiesTiedemann’sbodies
11 Tube feet
12 Tube foot Lateral canal AmpullaAmpulla Body wall Tube foot RetractormusclesRetractormuscles SuckerSucker Podial muscle
13 Movement of tube feet
14 Water-Vascular System of a Sea Star Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.
15 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Body Wall and Internal Anatomy of a Sea Star
18 Class Ophiuroidea Brittle Stars and Basket Stars Central disc with distinct arms No pedicellariae Tube feet lack suckers and ampulla
19 Brittle star Bursal slit MouthMouth
20 Basket Star
21 Class Echinoidea Sea Urchins Shell (test) encloses body –Ossicles form plates No arms Long spines –Movement –Venom
22 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Internal Anatomy of a Sea Urchin
23 Class Echinoidea Sand Dollar Burrow in sand
24 Sand dollar MadreporiteMadreporite GonoporeGonopore Ambulacral region LunuleLunule
25 Class Holothuroidea Sea Cucumbers Soft body with reduced ossicles Tentacles near mouth Respiratory tree –Breaths through anus
27 Class Cridoidea Feather Stars and Sea Lilies Most primitive Feather like arms used for suspension feeding –Plankton Tube feet trap planktonic organism Cilia in ambulacral grooves carry food to mouth
28 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Class Crinoidea: Sea Lily Attach to substrate with stalk
29 Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Class Crinoidea: Feather Star Swim and crawl
30 Central disk AnusAnus MouthMouth PinnulePinnule
31 Ancestral Echinoderms
32 Ancestral Echinoderms
33 The End
Phylum Echinodermata. Phylum Echinodermata (Echino = Prickly/ Spiny ; Dermata = Skin) Class Crinoidea (Feather Stars and Sea Lilies) Class Ophiuroidea.
Phylum Echinodermata Deuterostomia –Anus forms from or near blastopore –Mouth forms secondarily.
Echinodermata Spiny Skinned.
Chapter 14, Echinoderms. Characteristics of Phylum Echinodermata One of the strangest and most unusual of all the phylums in the animal kingdom Echinoderms.
Echinoderms. Diversity Echinodermata means “spiny skin” Echinoderms usually inhabit shallow coastal waters and ocean trenches organisms in this.
Phylum Echinodermata MARINE INVERTEBRATES. Characteristics All marine Known as spiny-skinned animals Endoskeleton known as the test is made of calcium.
Phylum Echinodermata "Spiny Skin" Strangest group in animal kingdom Closest invert relation to the Chordates Endoskeleton just under skin Lack sensory.
Phylum Echinodermata End show End show Jenna Hellack Fall 2000 Echinodermata l Bilateral larvaeradial adults l Bilateral larvae, radial adults. five.
Phylum Echinodermata – “spiny skin” sea stars, sea urchins, sea cucumbers a return to radial symmetry; larvae are bilateral most have arms and/or body.
Phylum Echinodermata. Echinoderms Sea StarsSea Stars Sea UrchinsSea Urchins Sand DollarsSand Dollars Sea CucumbersSea Cucumbers.
Phylum Echinodermata Introduction. About 6000 species, all marine Echinodermata.
Vocabulary 0ssicle = protective spines on a sea star Ampulla = a bulb-like sac at the base of a tube foot that functions in movement Bipinnaria =free.
Ch. 38 – Echinoderms Phylum: Echinodermata Sea stars, sand dollars, brittle stars, & sea cucumbers Marine Usually 5 arms pentaradial No circulatory,
Echinoderms Section Echinoderms Examples: sea stars, sand dollars, sea urchins, & sea cucumbers Marine environments Brilliantly colored
Phylum Echinodermata Introduction. There are ______ characteristics of echinoderms. All echinoderms have: Spiny skin An internal skeleton A five part.
23.6 Echinoderms KEY CONCEPT Echinoderms are on the same evolutionary branch as vertebrates.
Phylum Echinodermata Spiny skin. Crown of Thorns Sea Star.
Sea stars, sand dollars, and sea urchins Phylum Echinodermata.
Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. CHAPTER 14 Echinoderms 22-1.
Echinoderm review. On the following slides with pictures, try to: name the organism Give the Class for the organism State the number of species in the.
What kind of fish swims in the sky at night?. Starfish.
Echinoderms are __________, ________, __________, ________, ____________, _____________ and ____________. * Echinoderm means _______________. All echinoderms.
Echinoderms “Life with Spiny Skin”. Worms, mollusks, and arthropods all have bilateral symmetry. Worms, mollusks, and arthropods all have bilateral symmetry.
Echinoderms and Chordates e/zo150/mozley/fall/studyaids.h tml.
PHYLUM ECHINODERMATA. Characteristics: Endoskeleton Calcareous (calcium carbonate) Ossicles arise from mesodermal tissue Pentaradial symmetry as adults.
Phylum Echinodermata Spiny Skin. Advanced? Skeleton is internal test comprised of individuals plates of porous high-Mg calcite. Bilaterally symmetrical.
Phylum Echinodermata. Some Representatives of Echinodermata copyright cmassengale.
Starfish –Phylum Echinodermata. Starfish Dissection shell Aboral surfaceOral surface Madreporite is opening of the water vascular system Mouth Tube feet.
Chapter 38 Echinoderms and invertebrate chordates 1 Echinoderms and Invertebrate Chordates Chapter 38 P
Phylum Echinodermata. General Characteristics Adults exhibit pentamerous radial symmetry Radially symmetry is secondary; larvae are bilaterally symmetrical.
1. In what phylum are starfish found? Echinodermata (echinoderms) -sea urchins -sand dollars -sea cucumbers.
1 Phylum Echinodermata Echinoderms are an ancient group of marine animals, with about 6000 living species -Characterized by deuterostome development and.
Echinoderms copyright cmassengale. https://app.discoveryeducation.com/learn/vi deos/4880E0EA-1EA5-42A4-83DA- 299F3921DCDD?hasLocalHost=falsehttps://app.discoveryeducation.com/learn/vi.
Diversity Echinodermata means “spiny skin” Echinoderms usually inhabit shallow coastal waters and ocean trenches organisms in this class include:
Echinoderms. Sea Star Sea Cucumber Brittle Star.
Echinodermata. A phylogeny can help us do lots more than simply study evolutionary history. It also helps us know what traits are shared by different.
KINGDOM ANIMALIA Phylum Echinodermata. Members of the Phylum Echinodermata Date back 570 million years ago 13,000 fossil species Only 7,000 species today.
GENERAL CHARACTERISTICS Ex: sea stars, brittle stars, sand dollars, sea urchins, & sea cucumbers All marine “ Spiny-Skinned Animals” - meaning Radial.
Echinoderms copyright cmassengale. Diversity Echinodermata means “spiny skin” Echinoderms usually inhabit shallow coastal waters and ocean trenches.
Echinoderm Characteristics Copyright © McGraw-Hill Education Echinoderms are Deuterostomes Echinoderms are deuterostomes – a major transition in the phylogeny.
Phylum Echinodermata “Spine skin” Marine (or estuarine) Water vascular system Pentaradial symmetry.
Chapter 13 Part 3 of 3 Phylum Echinodermata. Phylum: Echinodermata “Spiny Skinned” Animals “Spiny Skinned” Animals Sea Stars, Sea Urchins, Sea Cucumbers.
Phylum Echinodermata “spiny” “skin”
CHAPTER 33 INVERTEBRATES Copyright © 2002 Pearson Education, Inc., publishing as Benjamin Cummings Section E: Deuterostomia 1.Phylum Echinodermata: Echinoderms.
Phylum Echinodermata. 1.Echinodermata = “spiny skin” 2.Examples: Sea Star, Sea Urchin, Sea Cucumber, and sand dollars. A. Radial symmetry- body parts.
Phylum: Echinodermata Echinos = Spiny Derma = Skin Ata= to bear “bears spiny skin” Zoology Chapter 16.
Echinoderms The spiny skinned animals. Introduction Echinodermata are all marine, triploblastic unsegmented coelomates Phylum has 3 unique features: –
Echinodermata Spiny Skin. Echinoderms, Deuterostomes Adults have pentaradial symmetry but are believed to have evolved from Bilateral ancestors Larval.
Echinoderm Classes Asteroidea – Sea Stars : Multiple arms radiating from central disk Tube feet on bottom Ophiuroidea – Brittle Stars: Distinct central.
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