CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
3rd Edition
ISBN: 9780134875040
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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Chapter 27 Solutions
CAMPBELL BIOLOGY IN FOCUS-W/MASTR.BIO.
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 group of echinoderms has a biradial symmetry and tube feet all over its body? A. Crinoids B. Echinoidea C. Holothuroidea D. Ophiuroideaarrow_forward"Stalked jellyfishes" belong to which class? A. Staurozoa B. Scyphozoa C. Anthozoa D.Hydrozoa E. Cubozoaarrow_forward
- What 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_forwardSexual 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_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
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