Biology
Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 34.3, Problem 1CC
Summary Introduction

To determine: The body forms of jellyfish, sea anemone, and Portuguese man-of-war.

Introduction: Jellyfish, sea anemone, and Portuguese man-of-war belong to group Cnidarians. Members of group Cnidaria possess two major types of germ layers- ectoderm and endoderm which are connected by a gelatinous substance called mesoglea.

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Create a body plan table (Insert → Add Table) for the following animal phyla: Porifera, Cnidaria, Platyhelminthes, Mollusca, Annelida, Nematoda, Arthropoda, Echinodermata, and Chordata. Describe each phylum by identifying the following body plan features.  1) Symmetry: Asymmetrical, Radial, or Bilateral 2) Tissue type: Parazoa, Eumetazoa (diploblastic), or Eumetazoa (triploblastic) 3) Body cavity (if triploblastic): Acoelomate, Psuedocoelomate, or Coelomate 4) Developmental mode (if Coelomate): Protostome or Dueuterostome Note: Depending on the body plan, features 3 & 4 may not apply to specific phyla. * Please answer 1) and 2) only. Reposting question for other two to be answered.
Q 4: What are the characteristics of each of the following classes of fish: Agnatha: Chondrichthyes: Placodermi: Acanthodil: Osteichthyes, Subclass Actinopterygii: Osteichthyes, Subclass Sarcoptergil:
Compare and contrast the Phyla Porifera and Cnidaria. Think: Symmetry, Form and function, Tissue layers (present or absent, if present which are represented), Musculature/how they move, Reproduction, Nervous system and sensory structures, Respiration, Digestion (and how they feed), and comment on unique cell types found in each.
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