Study Guide for Campbell Biology
11th Edition
ISBN: 9780134443775
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece, Martha R. Taylor, Michael A. Pollock
Publisher: PEARSON
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Chapter 33, Problem 10TYK
Summary Introduction
Introduction: Mollusca phylum has a large number of animals such as octopuses, snails, slugs, squids, and others. They are soft-bodied animals with true coelom. They are bilaterally symmetrical with the organ system level of organization.
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Torsion is a unique feature of molluscs.
O A. Yes
B. No
Which of the following applies to a squid? a. Cephalization c. Complete digestive tract b. True coelom d. All of these are correct.
Which of the following is NOT a characteristic of annelids?
A.they have a closed circulatory system
B.they reproduce through sexual reproduction
C.there are both male and female earthworms
D.they are able to sense vibrations in the ground
Chapter 33 Solutions
Study Guide for Campbell Biology
Ch. 33 - Prob. 1IQCh. 33 - Prob. 2IQCh. 33 - a. Describe the digestive system of a planarian....Ch. 33 - Prob. 4IQCh. 33 - Prob. 5IQCh. 33 - Compare the locomotion of an earthworm and that of...Ch. 33 - Prob. 7IQCh. 33 - Prob. 8IQCh. 33 - Prob. 9IQCh. 33 - Prob. 10IQ
Ch. 33 - Use the following evolutionary tree (which is...Ch. 33 - Invertebrates include a. all animals except for...Ch. 33 - Prob. 2TYKCh. 33 - Prob. 3TYKCh. 33 - Prob. 4TYKCh. 33 - Prob. 5TYKCh. 33 - Hermaphrodites a. contain male and female sex...Ch. 33 - Prob. 7TYKCh. 33 - Prob. 8TYKCh. 33 - Prob. 9TYKCh. 33 - Prob. 10TYKCh. 33 - Prob. 11TYKCh. 33 - Prob. 12TYKCh. 33 - Prob. 13TYKCh. 33 - Prob. 14TYKCh. 33 - Prob. 15TYKCh. 33 - Which of the following phenomena is not considered...
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- Flatworms (platyhelminthes) possess a a. metanephridial system b. protonephridial system c. secretion kidney d. none of thesearrow_forwardOne example of Cephalopoda is Select one: a. squids b. snails C. slugs d. clams O O Oarrow_forwardWhich of the following would be found in a sea urchin (phylum Echinodermata)? A. A dorsal hollow nerve cord B. An endoskeleton C. Schizocoelus coelom formation D. A trochophore larva E. All of the abovearrow_forward
- In which of the following aspects are nematodes more complex than flatworms? a. External cephalization b. None among the other choices c. Musculature of the body wall d. All of the other choices (except "None among....") e. Osmoregulatory and excretory systemsarrow_forwardWhat organisms can survive without a mouth, digestive system, oranus?a. cnidarians b. rotifers c. echinoderms d. cestodes e. nematodesarrow_forwardSerial segmentation is a key characteristic of which of the following phyla? a. Mollusca b. Brachiopoda c. Bryozoa d. Annelidaarrow_forward
- All of the following are true of Ctenophores except: A. Some species have long tentacles B. They catch food with stingers C. They move with tiny rows of cilia along their outsides D. They are diploblasticarrow_forwardNematodes once were thought to be closely related torotifers due to the presence of a pseudocoelom but are nowconsidered more closely related to the arthropods due toa. molting. c. wings.b. jointed appendages. d. a coelom.arrow_forwardUnlike other coelomate animal phyla, mollusks lacka. segmentation.b. cephalization.c. three primary tissue layers.d. some type of body cavity.arrow_forward
- Pretend you find a clam-like thing with two shells, about 1 inch across. You open it and see a large rolled- up feathery thing that fills most of the interior. It has a short stalk. There are no gills and no siphons so you conclude it is not a clam. Your best guess is that it's a.... A. phoronid B. brachiopod C. tube worm D. urchin 9arrow_forwardFlatworms can reach a maximum size of around 40cm. Whilst this is big for a worm, there are certainly larger animals on earth. What might it be that restricts the flatworms body size? A. They have an exoskeleton that restricts their growth. B. They do not have a circulatory system. C. They are exothermic animals that have limited energy for growth. D. They are acoelomates and so the growth of their internal organs is restricted by growth of the outer body wall.arrow_forwardAn unidentified animal is noted to possess the following characteristics: triploblastic eucoelomate body a cuticle that is shed via ecdysis To which of the following phyla does this organism belong? Group of answer choices A. Echinodermata B. Annelida C. Arthropoda D. Nematodaarrow_forward
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