BIOLOGY (LOOSELEAF)-W/CONNECT
12th Edition
ISBN: 9781260692181
Author: Raven
Publisher: MCG
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Chapter 33, Problem 1A
Summary Introduction
Introduction:
The protostomes contain a group (clade) which is Lophotrophozoa. This group includes the Spiralia. Lophotrophozoa consists of the mollusks, segmented worms, lophophorates and several smaller phylums.
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Serial segmentation is a key characteristic of which of the following phyla?
a. Mollusca
b. Brachiopoda
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d. Annelida
"Stalked jellyfishes" belong to which class?
A. Staurozoa
B. Scyphozoa
C. Anthozoa
D.Hydrozoa
E. Cubozoa
Which of the following groups includes all of the others? a. Protostomes c. Eumetazoans b. Echinoderms d. Ecdysozoans
Chapter 33 Solutions
BIOLOGY (LOOSELEAF)-W/CONNECT
Ch. 33.1 - Prob. 1LOCh. 33.2 - Prob. 1LOCh. 33.2 - Prob. 2LOCh. 33.3 - Prob. 1LOCh. 33.4 - Prob. 1LOCh. 33.4 - Prob. 2LOCh. 33.4 - Prob. 3LOCh. 33.5 - Prob. 1LOCh. 33.6 - Prob. 1LOCh. 33.6 - Distinguish between the Errantia and Sedentaria.
Ch. 33.6 - Describe adaptations in leeches for feeding on the...Ch. 33.7 - Prob. 1LOCh. 33.7 - Prob. 2LOCh. 33.8 - Prob. 1LOCh. 33.8 - Prob. 2LOCh. 33.9 - Prob. 1LOCh. 33.9 - Prob. 2LOCh. 33.9 - Prob. 3LOCh. 33 - In the flatworm, flame cells are involved in what...Ch. 33 - Prob. 2UCh. 33 - Prob. 3UCh. 33 - Prob. 4UCh. 33 - Prob. 5UCh. 33 - Prob. 6UCh. 33 - Prob. 7UCh. 33 - Prob. 8UCh. 33 - Prob. 9UCh. 33 - Prob. 10UCh. 33 - Examples of decapods are a. centipedes and...Ch. 33 - Prob. 1ACh. 33 - Prob. 2ACh. 33 - Prob. 3ACh. 33 - Scientists studying the Chesapeake Bay have...Ch. 33 - Chitin is present in a number of invertebrates, as...Ch. 33 - Prob. 3SCh. 33 - Prob. 4S
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- part i How many of the following are characteristics of arthropods? 1. protostome development 2. bilateral symmetry 3. a pseudocoelom 4. three embryonic germ layers 5. a closed circulatory system part ii Animals of the Parazoa and Eumetazoa are different in what way? Choose one a. Parazoans have mobile gametes while eumetazoans do not. b. The various cell types of Parazoa do not form permanent associations into tissues during their life cycle, whereas Eumetazoa possess true, stable tissues. c. Parazoans invert during their development whereas eumetazoans do not invert at any time during their life cycle. d. Parazoans are only haploid during their life cycle, whereas eumetazoans are diploid with haploid sex cells at various stages of their life cycle. e. Parazoa have only one kind of cell during their life cycle whereas Eumetazoa have many kinds of cells throughout their life cycle.arrow_forwardBased on the diagram, which of the following pairs of organisms have the closest evolutionary relationship? A. Radiolarians and Forams B. Diatoms and Euglenozoans C. Ciliates and Radiolarians D. Diplomonads and Euglenozoansarrow_forwardA zoologist is investigating an unidentified marine animal specimen. They note that this creature has radial symmetry along its short axis, but has bilateral symmetry in a perpendicular axial plane. In addition, its peripheral surface appears to have several lines of cilia used for movement in the water. Which phylum is most likely to contain this specimen? Group of answer choices A. Annelida B. Mollusca C. Cnidaria D. Ctenophoraarrow_forward
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