CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
3rd Edition
ISBN: 9780135191811
Author: Urry
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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Which group of flatworms are primarily ectoparasites of fish? a. monogeneans b. trematodes c. cestodes d. turbellarians
Chapter 27 Solutions
CAMPBELL BIOLOGY IN FOCUS-MOD.MASTERING
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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- 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_forwardTo which of the following groups would a species that does not molt, possesses a coelom, and has a trochophore larva belong? a. Ecdysozoa b. Parazoa c. Platyzoa d. Lophotrochozoaarrow_forward
- Cephalopods 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_forwardWhich 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_forward
- Which group of echinoderms has a biradial symmetry and tube feet all over its body? A. Crinoids B. Echinoidea C. Holothuroidea D. Ophiuroideaarrow_forwardWhat type of body symmetry does this creature have? Group of answer choices A. bilateral B. ribbitical C. none - asymmetrical D. radialarrow_forwardWhich group of echinoderms usually posses pentameric antimeres but some species may have more? A. Asteroidea B. Echinoidea C. Holothuroidea D. Crinoidsarrow_forward
- Sexual reproduction in cnidarians may be carried out by which body form? A. Medusa only B. Neither medusa nor polyp C. Medusa or polyp D. Polyp onlyarrow_forwardSerial segmentation is a key characteristic of which of the following phyla? a. Mollusca b. Brachiopoda c. Bryozoa d. Annelidaarrow_forwardWhich clade does not include frogs?a. vertebrates b. gnathostomesc. tetrapods d. amniotes e. lobe finsarrow_forward
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