Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
10th Edition
ISBN: 9780133922851
Author: Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert B. Jackson
Publisher: PEARSON
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Textbook Question
Chapter 32, Problem 2TYU
The distinction between sponges and other animal phyla is based mainly on the absence versus the presence of
(A) a body cavity.
(B) a complete digestive tract.
(C) mesoderm.
(D) tissues.
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Students have asked these similar questions
A previously unknown animal is being studied so that it can be classified. It is an invertebrate, triploblastic, dorsoventrally flattened, acoelomate, and has flame cells. Which phylum would you place it in?
A)Arthropoda.
B)Porifera
C)Mollusca.
D)Platyhelminthes.
E)Cnidaria.
1. Classify starfish, earthworm and sponges based on the following characteristics:
a) body symmetry
b) number of germ layers during embryonic development
c) body plan if triploblastic (coelomate, acoelomate, pseudocoelomate)
d) Mechanism of coelom formation, if coelomate
e) the origin of mouth?
f) symmetry of cleavage?
g) cleavage pattern, determinate or indeterminate?
h) protostome or deuterostome?
2. Support your answers on number 1.
Which class of Cnidarian is described below:
This class includes the corals and the sea anemones. Individual animals are cylindrical in shape and are attached directly to a substrate in the polyp body form.
Question 18 options:
a)
Class Hydrozoa
b)
Class Scyphozoa
c)
Class Cubozoa
d)
Class Anthozoa
Chapter 32 Solutions
Campbell Biology, Books a la Carte Plus Mastering Biology with eText -- Access Card Package (10th Edition)
Ch. 32.1 - Summarize the main stages of animal development....Ch. 32.1 - WHAT IF? What animal characteristics would be...Ch. 32.2 - Put the following milestones in animal evolution...Ch. 32.2 - Prob. 2CCCh. 32.2 - MAKE CONNECTIONS Evaluate whether the origin of...Ch. 32.3 - Distinguish the terms grade and clade.Ch. 32.3 - Compare three aspects of the early development of...Ch. 32.3 - Prob. 3CCCh. 32.4 - Prob. 1CCCh. 32.4 - WHAT IF? Suppose ctenophores are basal metazoans...
Ch. 32.4 - Prob. 3CCCh. 32 - Prob. 32.1CRCh. 32 - What caused ihe Cambrian exploston? Describe...Ch. 32 - Describe how body plans provide useful Information...Ch. 32 - Prob. 32.4CRCh. 32 - Prob. 1TYUCh. 32 - The distinction between sponges and other animal...Ch. 32 - Prob. 3TYUCh. 32 - Prob. 4TYUCh. 32 - EVOLUTION CONNECTION A professor begins a lecture...Ch. 32 - SCIENTIFIC INQUIRY INTERPRET THE DATA Redraw the...Ch. 32 - WRITE ABOUT A THEME: INTERACTIONS Animal life...Ch. 32 - SYNTHESIZE YOUR KNOWLEDGE This organism is an...
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- While all members of the phyla we’re considering this week are in the bilateria (have bilateral symmetry and three tissue layers) – they also differ drastically. From your perspective: I) which groups considered in this unit are the most similar and what connects them? II) Which groups are most distinct and what separates them? **The phyla group mentioned in this question is circled in redarrow_forwardParasitic alveolates that form spores at some stage in their life belong to which group? (a) actinopods (b) ciliates (c) coccolithophorids (d) apicomplexans (e) dinoflagellatesarrow_forwardThe animal you are dissecting possesses several ganglia. Several are located at the head. Others are located at segments along a nerve cord. Under what phylum would this animal likely be classified? A)Echinodermata B)Platyhelminthes C)Cnidaria D)Arthropoda E)Molluscaarrow_forward
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- Which of the following is the correct classification for the following invertebrate animal: These animals are long and segmented and have no appendages. They are covered by a protective cuticle and have a closed circulatory system. Question 20 options: a) Phylum Echinodermata b) Phylum Mollusca, Class Bivalvia c) Phylum Chordata d) Phylum Annelida e) Phylum Platyhelminthes f) Phylum Arthropoda, subphylum Hexapoda g) Phylum Echinodermata Previous PageNext Pagearrow_forwardWhich of the following is the correct classification for the following invertebrate animal: These animals have radial symmetry with 5 arms. They have an internal endoskeleton and a water vascular system connected to their tube feet for locomotion. Question 19 options: a) Phylum Platyhelminthes b) Phylum Annelida c) Phylum Mollusca, Class Bivalvia d) Phylum Echinodermata e) Phylum Arthropoda, subphylum Hexapoda f) Phylum Chordataarrow_forwarda) The tongue-like, rasping organ in the head of most molluscs is the b) Most of cephalopods can move by a kind of by expelling water through their c) Most of cephalopod molluscs can change colours because of special pigment cells that are called d) Most of cephalopods can secrete and expel an ink containing to confuse enemies. e) The shell of a molluscs is rich in the elementarrow_forward
- Explain how the system of pores operates in a typical sponge. What are spicules and spongins? What are the major functions of the spicules/ossicles of sponges?arrow_forwardWhat is the reason for saying that sponges are closely related to, and probably evolved from, several members of the Kingdom Protozoa?arrow_forwardLongitudinal muscles of roundworms have tissues similar to? Explain. a) cardiac muscle b) skeletal muscle c) smooth musclearrow_forward
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