Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 3RQ
Briefly describe each of the following adaptations, and explain its adaptive significance: bilateral symmetry, radial symmetry, cephalization, closed circulatory system, coelom, segmentation.
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Chapter 24 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 24.1 - Can you... list the characteristics that...Ch. 24.2 - Prob. 1CYLCh. 24.2 - describe the different types of body symmetry,...Ch. 24.2 - give examples of animal groups with each type of...Ch. 24.2 - Prob. 4CYLCh. 24.3 - Physicians Assistants Another invertebrate animal...Ch. 24.3 - Prob. 1CYLCh. 24.3 - If you have ever accidentally walked into a spider...Ch. 24.3 - Prob. 1TCCh. 24.3 - list some member organisms in each of these...
Ch. 24.3 - Prob. 2TCCh. 24.3 - Prob. 3CYLCh. 24.3 - Prob. 3TCCh. 24.3 - What advantage does a digestive system with two...Ch. 24.3 - Why does pouring sail on a leech harm it?Ch. 24.3 - Prob. 6TCCh. 24.3 - How might insects wings have contributed to their...Ch. 24 - Insects are the largest group of animals on Earth....Ch. 24 - __________ Animals obtain energy by __________;...Ch. 24 - Prob. 1MCCh. 24 - Prob. 1RQCh. 24 - Prob. 2ACCh. 24 - Bilaterally symmetrical animals have __________...Ch. 24 - Prob. 2MCCh. 24 - Prob. 2RQCh. 24 - Animals that have an anterior and posterior end...Ch. 24 - Prob. 3MCCh. 24 - Briefly describe each of the following...Ch. 24 - Lophotrochozoans and ecdysozoans (molting animals)...Ch. 24 - Prob. 4MCCh. 24 - Prob. 4RQCh. 24 - Prob. 5FIBCh. 24 - Prob. 5MCCh. 24 - Prob. 5RQCh. 24 - Three major groups within the mollusks are the...Ch. 24 - Prob. 6RQCh. 24 - Prob. 7FIBCh. 24 - Prob. 7RQCh. 24 - For each of the following distinctive structures,...Ch. 24 - Prob. 8RQ
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- Compare and contrast the body coverings of a free-living turbellarian, a monogenaen fluke, a cestode, and a nematode. Which problems does each solve or create? Be sure to consider locomotion, permeability, ciliation, and habitat, and to think of the entire life cycle.arrow_forwardDescribe the following characteristics of cnidarians: common developmental stage digestive system sexuality musculature ciliationarrow_forwardDistinguish between (a) radial and bilateral symmetry; (b) blastula andgastrula; (c) direct and indirect development; (d) complete andincomplete digestive tracts; (e) coelom and pseudocoelom.arrow_forward
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- . In the space below draw a phylogenetic tree showing the inter-relationships among the following clades: Protostomia, Arthropoda, Mollusca, Cnidaria, Echinodermata, Crinoidea, Blastoidea, Asteroidea, Ophiuroidea, and Echinoidea.arrow_forwardConsider the process of organogenesis. a) Describe how coelom-status impacts the process of organogenesis. b) How do organs develop and where (in which cavity)? When does this process occur?arrow_forwardAmphioxus x.s (Female Slide) Explain the functions of the amphioxus, such as the pharynx, gills, gills slits, atrium, ovary, etc. Compare the internal features of the Amphioxus to starfish, grasshopper, earthworms, and planarian.arrow_forward
- Outline the features that suggest the Cnidaria and Ctenophora share. Outline the features that distinguish these two phyla. Be sure to discuss (at a minimum) the nervous system, muscle tissue, and cells used for prey capture. Discuss which of these may be convergent adaptations for a pelagic lifestyle.arrow_forwardList the predominant body plan (acoelomate, pseudocoelomate, or coelomate) for members of each protostome phylum and discuss how our picture of protostome evolution would change if each body plan were a homologous characterarrow_forwardBriefly explain how radial symmetry and the lack of cephalization usually associated with it can have adaptive value for sessile animals and be favored by natural selection.arrow_forward
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