Biological Science (6th Edition)
6th Edition
ISBN: 9780321976499
Author: Scott Freeman, Kim Quillin, Lizabeth Allison, Michael Black, Emily Taylor, Greg Podgorski, Jeff Carmichael
Publisher: PEARSON
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Chapter 30, Problem 12PIAT
Sperling and Knoll’s approach was to compare the number of predatory polychaete worms (pronounced pol-ee-KEET, phylum Annelida) living today in different low-oxygen environments. They chose polychaetes as a model system because these worms have diverse feeding strategies and live in diverse marine environments, yet all have the same basic body plan. Using Figure 30.2 as your guide, describe the body plan of a polychaete worm.
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You take a field trip to tide pools in Puget Sound and encounter all sorts of Animals. Please use the following descriptions of those adult Animals to determine which of the 9 major phyla each belongs.
Has radial symmetry and two tissue layers: ["cnidaria", "Mollusca", "Arthropoda", "Annelida", "Platyhelminthes", "Porifera"]
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Has no true tissues and no body symmetry: ["cnidaria", "Mollusca", "Arthropoda", "Nematoda", "Platyhelminthes", "Porifera"]
Which of the following is an example of an animal that has true tissues, has a coelom, is triploblastic, and is a Deuterstome?
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Chapter 30 Solutions
Biological Science (6th Edition)
Ch. 30 - 1. What synapomorphy (shared, derived trait)...Ch. 30 - 2. In a tube-within-a-tube body plan, what is the...Ch. 30 - True or false? Many new major animal body plans...Ch. 30 - Prob. 4TYKCh. 30 - 5. Why is it ecologically significant that animals...Ch. 30 - Prob. 6TYUCh. 30 - 7. CAUTION Evaluate this statement: Animals...Ch. 30 - 8. Which of the following is an example of...Ch. 30 - Suppose that a gene originally identified in...Ch. 30 - Some sea anemones can produce large colonies by...
Ch. 30 - Why did animal phyla appear so suddenly during the...Ch. 30 - Sperling and Knoll’s approach was to compare the...Ch. 30 - 13. Which of the following traits would help the...Ch. 30 - 14. PROCESS OF SCIENCE The researchers analyzed...Ch. 30 - QUANTITATIVE The graph shows a sample of the...Ch. 30 - Sponges lived in low-oxygen oceans before the...
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- Discuss Concepts What are the relative advantages and disadvantages of radially symmetrical and bilaterally symmetrical body plans?arrow_forwardNematode worms and annelid worms share which of the following features? presence of a circulatory system molting absence of species with parasitic lifestyles presence of segmentation a digestive tract with two openings (a mouth and an anus)arrow_forwardThe phylum Chordata only contains vertebrate species. Question 4 options: True False Which of the following is NOT true about reptiles and birds? Question 16 options: Reptiles are cold-blooded, whereas birds are warm blooded. Both reptiles and birds live exclusively on land. Both reptiles and birds lay eggs. Both reptiles and birds breath through lungs. In addition to a spinal column, what key feature distinguishes members of Vertebrata from Chordata? Question 21 options: Quadripedal Locomotion Hardened Endoskeleton The Notochord Body Hair The two main groups of vertebrates include: Question 19 options: Non-Bird Reptiles/Birds and Mammals Mammals and Amphibians Monotremes and Marsupials Fish and Tetrapodsarrow_forward
- Identify the two features of body plan that evolved with the cnidarians and ctenophores. Explain the significance of these features to their biological processes including locomotion, body support, reproduction, and development. ? _____________________________ ? ______________________________ Locomotion and body support Reproduction and developmentarrow_forwardFigure 27.9 Which of the following statements about diploblasts and triploblasts is false? Animals that display radial symmetry are diploblasts. Animals that display bilateral symmetry are triploblasts. The endoderm gives rise to the lining of the digestive tract and the respiratory tract. The mesoderm gives rise to the central nervous system.arrow_forwardWhich of the following does not occur? a. radially symmetrical diploblast b. diploblastic eucoelomate c. protostomic coelomate d. bilaterally symmetrical deuterostomearrow_forward
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- Crustaceans, like annelids, are segmented animals. But crustaceans unlike annelids have tagmata. What are some advantages and disadvantages to this type of segmentation in comparison to annelids? Give an example in your answer for both an advantage and a disadvantage.arrow_forwardProvide two concepts for each about the general characteristics of invertebrates (as a whole) as to (a) body plan, (b) niche, (c) locomotion, (d) reproduction, and (e) evolution. General characteristics of invertebrates Body Plan 1. 2. Niche 1. 2. Locomotion 1. 2. Reproduction 1. 2. Evolution 1. 2.arrow_forwardCompare the overall body plan of the prawn to that of an insect like a grasshopper. Focus your comparison on how the two groups have adapted uniquely to their environment.arrow_forward
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