Biology
4th Edition
ISBN: 9781259188121
Author: Peter Stiling, Robert Brooker, Linda Graham, Eric Widmaier
Publisher: McGraw-Hill Education
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Chapter 33.2, Problem 1CC
Cnidaria: Jellyfish and Other Radially Symmetric Animals
Concept Check: Are cnidocytes recycled for reuse once they have been fired?
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Which cnidarian structures would be involved in mounting a defense against predation? Check all that apply.
A)cnidocils
B)gastrovascular cavity
C)cnidocytes
D)nematocysts
E)mesoglea
Concerning tissue complexity how different are cnidarians from poriferans?
Question about insects:
b) Describe and identify on which segment of the legs/limbs would you expect the ambulatorial, fossorial, grasping, natatorial and raptorial type of legs/limbs be located?
Chapter 33 Solutions
Biology
Ch. 33.1 - Prob. 1CCCh. 33.2 - Cnidaria: Jellyfish and Other Radially Symmetric...Ch. 33.3 - Prob. 1CCCh. 33.3 - Prob. 2CCCh. 33.3 - Prob. 3CCCh. 33.3 - Prob. 1BCCh. 33.3 - What was the hypothesis tested by Fiorito and...Ch. 33.3 - Prob. 2EQCh. 33.3 - Prob. 3EQCh. 33.3 - What are some of the advantages of segmentation?
Ch. 33.4 - Prob. 1CCCh. 33.4 - Prob. 1BCCh. 33.4 - Prob. 2CCCh. 33.4 - Prob. 3CCCh. 33.4 - Prob. 2BCCh. 33.4 - Prob. 3BCCh. 33.5 - Prob. 1CCCh. 33 - Choanocytes are a. a group of protists that are...Ch. 33 - Prob. 2TYCh. 33 - Prob. 3TYCh. 33 - Prob. 4TYCh. 33 - Prob. 5TYCh. 33 - Prob. 6TYCh. 33 - Prob. 7TYCh. 33 - Prob. 8TYCh. 33 - Prob. 9TYCh. 33 - Prob. 10TYCh. 33 - Prob. 1CQCh. 33 - Prob. 2CQCh. 33 - Core Concept: Structure and Function Explain the...Ch. 33 - Prob. 1COQCh. 33 - Prob. 2COQ
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- Contrast the structure's and or systems used by Leuconoid sponges, snails and earthworms to circulate materials throughout the body. In addition to describing the structure of the system also comment on the relative efficiencu of each system for the lifestyle of each organismarrow_forwardBased on your observations of representative invertebrates (earthworms - hydrostatic skeleton and arthropods - exoskeleton), explain the nature of their skeletons in two to three summary statements.arrow_forwardExplain the components and functions of the visible cell layers, can compare the cellular strucutre of hydra to that of grantia. Explain feeding and digestive strategy of cnidarians compares to that of sponges.arrow_forward
- Cnidocytes are found in phylum Porifera phylum Nemertea phylum Nematoda phylum Cnidariaarrow_forwardStarfish Tube feet close-up What is the estimated size of the tube feet and how many are present in each arm? How does the tubefeet help the organsim to feed and move?arrow_forwardlas 2 act 3 and guide questionarrow_forward
- Describe the cnidarian (radiate) nervous system. How is a tendency toward centralization of the nervous system manifested in flatworms, annelids, molluscs, and arthropods?arrow_forwardanimals in which of the following classes possess adductor muscles, labial palps, and use their gills for both respiration and feeding? -Bivalvia -Cephalopoda -Polyplacophora -Anthozoa -Gastropodaarrow_forwardNeither cnidarians nor turbellarians possess a circulatory system. For most large, active animals, this would pose a (fatal) problem. Describe and discuss the features of large active cnidarians ands turbellarians that allow them to respire, nourish their cells, and excrete despite the absence of a conventional circulatory system.arrow_forward
- Which details provide the best evidence that masses of neurons act as brains within different parts of the octopusarrow_forwardBriefly describe:A. cnidarian adaptations that illustrate their major evolutionary advancements past spongesB. the differences between cnidarians and ctenophores and why ctenophores are evolutionarily more advanced than cnidariansarrow_forwardMatching these What type of body symmetry do sponges display? What type of body symmetry do jellies display? (Spherical symmetry , Radial symmetry , Bilateral symmetry )arrow_forward
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