Activity 23: Phylum Echinodermata GENERAL CHARACTERISTICS  exclusively marine  mostly mobile, slow-moving bottom dwellers  Coelom subdivided into:  Perivisceral…

Slide 1Phylum Echinodermata Slide 2 Introduction n Echinodermata are all marine, triploblastic unsegmented coelomates n Phylum has 3 unique features: u pentagonal symmetry…

Slide 1PHYLUM ECHINODERMATA Slide 2 Characteristics: Endoskeleton Calcareous (calcium carbonate) Ossicles arise from mesodermal tissue Pentaradial symmetry as adults 5 sections…

1. 1 ASTEROIDEA UNIVERSIDADE FEDERAL DO RIO GRANDE DO NORTE CLASS: ZOOLOGY II 2. INTRODUCTION Asteroidea Starfish Invertebrates  Echinoderms  Deuterostomes…

Slide 1Chapter 14, Echinoderms Slide 2 Characteristics of Phylum Echinodermata One of the strangest and most unusual of all the phylums in the animal kingdom Echinoderms…

Slide 1Chapter 16 The Echinoderms Slide 2 Evolutionary Perspective Flourished in 400 million year-old seas – Many were attached suspension feeders. – 12 of 18 classes…

Slide 1Clade Deuterostomia Phylum Echinodermata Phylum Hemichordata Phylum Chordata Slide 2 Protostomes vs. Deuterostomes Zygote cleaves to become blastula and then forms…

Slide 1Let’s Prep 1. Read through the powerpoint and watch the dissection videos. 2. On a piece of white copy paper, draw the top and bottom of the starfish. 3. Label the…

Slide 1 ECHINODERM S ECHINODERM S ZLY 303: Biology of Free-living Non-Arthropod Invertebrates Delivered by SHITTU, Olalere Dept. of Zoology, University of Ilorin, Nigeria…

Sea Star Pre-lab Questions Sea Star Pre-lab Questions 1. In what phylum are starfish found? Echinodermata (echinoderms) -sea urchins -sand dollars -sea cucumbers 2. What…