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, Problem 5TYU
Summary Introduction
Introduction:
A clade is a grouping that includes an ancestor and all of its descendents.
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What characteristic is common to the flatworms, molluscs, and annelids?
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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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- Cubozoans are______. a. polyps b. medusoids c. polymorphs d. spongesarrow_forwardWhich group of flatworms are primarily external parasites of fish? a. monogeneans b. trematodes c. cestodes d. turbellariansarrow_forwardCephalopods have complex eyes that arose separately from vertebrate eyes that are also used in vision. What's this an illustration of? A. Analogous structures B. Vestigial structures C. Homologous structures D. Missing linksarrow_forward
- Which of the following groups of early-diverging animals is comprised of two layers of cells that float around in the ocean? a. Cnidaria b. The sponges c. Ctenophores d. Placozoaarrow_forward"Stalked jellyfishes" belong to which class? A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E. Cubozoaarrow_forwardWhat type of body symmetry does this creature have? Group of answer choices A. bilateral B. ribbitical C. none - asymmetrical D. radialarrow_forward
- Which of the ff. has a repugnatorial gland and coils into a ball when disturbed? A. Diplopod B. Symphyla C. Pauropoda D. Chilopodaarrow_forwardWhich clade does not include frogs?a. vertebrates b. gnathostomesc. tetrapods d. amniotes e. lobe finsarrow_forwardSerial segmentation is a key characteristic of which of the following phyla? a. Mollusca b. Brachiopoda c. Bryozoa d. Annelidaarrow_forward
- You discover a new species of animal that has hair and three inner ear bones. What class would you put it in? Group of answer choices A. Aves B. Mammalia C. Arachnida D. Osteichthyes E. Chordataarrow_forwardWhich clade are ticks in? (all the things that look like legs, are legs) A. chordata B. arachnida C. crustacea D. diploblastarrow_forwardWhich of the following classes of arthropod possess chelicerae? a. Chilopoda b. Crustacea c. Hexapoda d. Chelicerataarrow_forward
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