Campbell Biology in Focus (2nd Edition)
2nd Edition
ISBN: 9780321962751
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 27.4, Problem 2CC
Describe two key adaptations of aquatic gnathostomes.
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Chapter 27 Solutions
Campbell Biology in Focus (2nd Edition)
Ch. 27.1 - Prob. 1CCCh. 27.1 - Prob. 2CCCh. 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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- Review the extent of segmentation in Polychaetes, Leeches, Siboglinids, Echicrans, and Sipunculans. Which morphological features must change to produce an unsegmented body cavity? Is there evidence of transitional stages for these features?arrow_forwardThe largest cycloneuralians are also the only ones with external fertilization. Which phylum is this? Explain the relationship between adult body size, mode of fertilization, and type of larval development in marine invertebrates.arrow_forwardHow many gill slits are present in Scoliodon?arrow_forward
- How can the features of the arthropod exoskeleton explain the terrestrial adaptation of some species of the phylum?arrow_forwardWhat habitat is shared by micrognathozoans and gnathostomulids?arrow_forwardDistinguish the following groups of echinoderms from each other: Crinoidea, Asteroidea, Ophiuroidea, Echinoidea, Holothuroidea.arrow_forward
- What are the anatomical advantages for simple animals in the chordata phylum?arrow_forwardECHINODERMS a)- Describe in detail how is the Hydrostatic Vascular System (Aquifer) of the Echinoderms. b) Describe flake is gas exchange in Echinoderms. c) -Why are echinoderms specialists in regeneration?arrow_forwardWhat morphological evidence suggests that nemerteans are typical coelomates?arrow_forward
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