Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
3rd Edition
ISBN: 9780134895727
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky
Publisher: PEARSON
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Chapter 27, Problem 6TYU
Summary Introduction
Introduction:
A clade is a grouping that includes an ancestor and all of its descendents.
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Students have asked these similar questions
Serial segmentation is a key characteristic of which of the following phyla?
a. Mollusca
b. Brachiopoda
c. Bryozoa
d. Annelida
All of the following are true of Ctenophores except:
A. Some species have long tentacles
B. They catch food with stingers
C. They move with tiny rows of cilia along their outsides
D. They are diploblastic
Match the concept in column A to the concept in column B. Write the letter of the
correct answer on the blank provided.
A
a. Holothuroidea
b. Chelonia
c. Zebrina pendula
d. Pandaka pygmaea
e. echidna
f. Architeuthis harveyi
g. Gymnophiona
h. Pithecophaga
јefferyi
i. corallum
j. counting of body
parts
k.malacostracan body
Lindusium
1
Cnidaria
2
Mollusca
Arthropoda
Echinodermata
4
Chordata
Meristics
amphibians
reptiles
7
8.
aves
10
mammals
Chapter 27 Solutions
Campbell Biology In Focus, Loose-leaf Edition (3rd Edition)
Ch. 27.1 - Prob. 1CCCh. 27.1 - Prob. 2CCCh. 27.1 - Prob. 3CCCh. 27.2 - What is the Cambrian explosion? Why is it...Ch. 27.2 - Prob. 2CCCh. 27.3 - Prob. 1CCCh. 27.3 - WHAT IF? Would it be accurate to describe the...Ch. 27.4 - Prob. 1CCCh. 27.4 - Describe two key adaptations of aquatic...Ch. 27.4 - MAKE CONNECTIONS The radiation of bilaterians in...
Ch. 27.5 - Describe two adaptations that have enabled insects...Ch. 27.5 - MAKE CONNECTIONS Compare and contrast how the...Ch. 27.6 - Describe three key amniote adaptations for life on...Ch. 27.6 - Prob. 2CCCh. 27.6 - WHAT IF? Which came first, the chicken or the egg?...Ch. 27.7 - Describe how ocean communities changed in the...Ch. 27.7 - Prob. 2CCCh. 27.7 - Prob. 3CCCh. 27 - Prob. 1TYUCh. 27 - Fossil steroid and molecular clock evidence...Ch. 27 - Which of the following was probably the least...Ch. 27 - Prob. 4TYUCh. 27 - Prob. 5TYUCh. 27 - Prob. 6TYUCh. 27 - Prob. 7TYUCh. 27 - FOCUS ON EVOLUTION In Figure 27.29, circle the...Ch. 27 - FOCUS ON ORGANIZATION Early tetrapods had a...Ch. 27 - SYNTHESIZE YOUR KNOWLEDGE Collectively, do these...
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- An unidentified animal is noted to possess the following characteristics: triploblastic eucoelomate body a cuticle that is shed via ecdysis To which of the following phyla does this organism belong? Group of answer choices A. Echinodermata B. Annelida C. Arthropoda D. Nematodaarrow_forwardIf chaetognaths belong to Lophotrochozoa, they would be more closely related to animals like earthworms which have a trochophore larva. If they belong to Ecdysozoa, they would... A. Be more closely related to animals that have a lophophore feeding structure B. Be more closely related to animals that are diploblastic C. Be more closely related to animals without symmetry D. Be more closely related to animals that shed their outer cuticle E. Both B and D are true O A O B O C O D O Earrow_forwardpart 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_forward
- "Stalked jellyfishes" belong to which class? A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E. Cubozoaarrow_forwardWhich 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 Anthozoaarrow_forwardVertebrata Urochordata Chordata Cephalochordata Hemichordata Ambulacraria Echinodermata Mollusca Lophotrochozoa Annelida Arthropoda Ecdysozoa Nematoda Cnidaria 4. What is the outgroup of this entire phylogeny? a. Vertebrata b. Common ancestor Clade including Chordata and Ambulacaria d. Cnidaria e. None of the abovearrow_forward
- Distinguish the following phyla by their characteristics and features. Give a specific example for each. A. Poriferans B. Cnidarians C. Coelenteratesarrow_forwardChoose which is FALSE among the following statements about the Phylum Annelida. A. Annelids have thin cuticle that is NOT made of chitin. B. Earthworms are segmented worms, either externally or internally. C. Leeches are segmented. D. Annelids are lophotrochozoans because of their presence of lophophores. E. Annelids are triploblastic and eucoelomates. Choose which is FALSE among the following statements about the different classes of the annelids. * A. Oligochaetes have few setae, while polychaetes have many. B. Oligochaetes are mainly terrestrial, while polychaetes are mainly aquatic. C. Oligochaetes have uniramous parapodia, while polychaetes have biramous. D. Both the Oligochaetes and Hirudineans have clitellium. E. Oligochaetes and Hirudineans are hermaphrodites, while Polychaetes have separate sexes.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_forward
- Suppose you came across a novel organism you suspected belonged to one of the following animal phyla: Porifera, Cnidaria, or Ctenophora. Which of the following characteristics would NOT be helpful in placing the organism into the correct phylum? 1) how it acquires food 2) whether adults are sessile or mobile 3) whether the organism has a coelom 4) the number of tissue layers it has 5) the type of body symmetry it hasarrow_forwardClosest to Chordata 1. Echinodermata2. Platyhelminthes3. Annelida4. Porifera5. Chordata6. Arthropoda7. Nematods8. Cnidaria9. Molluscaarrow_forwardClass Gastropoda and Class Bivalvia independently evolved modifications to their body plan that allowed them to invade sandy and muddy habitats, burying their bodies under the surface and accessing the surface via siphons. For an example organism in each Class, (1) draw a diagram showing the morphological modifications and (2) write a description of how this organism had evolved from the hypothetical ancestral mollusk (HAM) body plan.arrow_forward
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