Loose Leaf For Integrated Principles Of Zoology
18th Edition
ISBN: 9781260411140
Author: Cleveland P Hickman Jr. Emeritus, Susan L. Keen, David J Eisenhour Professor PhD, Allan Larson, Helen I'Anson Associate Professor of Biology
Publisher: McGraw-Hill Education
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Chapter 22, Problem 2RQ
Summary Introduction
To determine: The combination of characteristics unique to the phylum Echinodermata.
Introduction: The word ‘Echinodermata’ is derived from Latin echinatus, prickly + Greek, derma, skin, + ata, characterized by. The phylum gets its name from the presence of the external spines or protuberances.
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Chapter 22 Solutions
Loose Leaf For Integrated Principles Of Zoology
Ch. 22 - Prob. 1RQCh. 22 - Prob. 2RQCh. 22 - How do we know that echinoderms were derived from...Ch. 22 - Prob. 4RQCh. 22 - Prob. 5RQCh. 22 - Prob. 6RQCh. 22 - What structures are involved in the following...Ch. 22 - Prob. 8RQCh. 22 - Prob. 9RQCh. 22 - Match groups in the left column with all correct...
Ch. 22 - Define the following: pedicellariae, madreporite,...Ch. 22 - Prob. 12RQCh. 22 - Give four examples of how echinoderms are...Ch. 22 - What is a major difference in function of the...Ch. 22 - What characteristics do Hemichordata share with...Ch. 22 - Distinguish Enteropneusta from Pterobranchia.Ch. 22 - For Further Thought The phylogenetic placement of...
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- What are three derived characters of echinoderms? Describe each.arrow_forwardDistinguish the following groups of echinoderms from each other: Crinoidea, Asteroidea, Ophiuroidea, Echinoidea, Holothuroidea.arrow_forwardWhat are the anatomical advantages for simple animals in the chordata phylum?arrow_forward
- ECHINODERMS a)- Describe in detail how is the Hydrostatic Vascular System (Aquifer) of the Echinoderms. b) Describe flake is gas exchange in Echinoderms. c) -Why are echinoderms specialists in regeneration?arrow_forwardWhat characteristics do Hemichordata share with Echinodermata, and how do the two phyla differ?arrow_forwardThe presence of a water vascular system is unique to Echinoderms. Describe using labelled diagramsthe water vascular system of the asteroids. List all the structures present as well as their functionsin this systemarrow_forward
- Why are Echinodermata known as the sister group to the chordates?arrow_forwardWhat are the criteria that delimit phylum Echinodermata to its classes? What are the functions of the tube feet, madreporite, and ambulacral groove? Give the economic importance of echinoderms. What is regeneration?arrow_forwardHow are the echinoderms significant to the marine environment? Relate some (at least two) of their anatomical features that made them fitting for these purpose.arrow_forward
- What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods?arrow_forwardExplain syncytial blastoderm?arrow_forwardWhat type of symmetry do the Echinoderms have? Do they have this type of symmetry their entire lives? What is unusual about this in comparison to other animals?arrow_forward
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