Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 15, Problem 12RQ
Annelids have a ______.
a. pseudocoelom
b. a true coelom
c. no coelom
d. noneoftheabove
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Chapter 15 Solutions
Concepts of Biology
Ch. 15 - Figure 15.3 Which of the following statements is...Ch. 15 - Figure 15.24 Which of the following statements...Ch. 15 - Figure 15.33 Which of the following statements...Ch. 15 - Which of the following is not a feature common to...Ch. 15 - Which of the following does not occur? a. radially...Ch. 15 - The large central opening in the poriferan body is...Ch. 15 - Cnidocytes are found in _____. a. phylum Porifera...Ch. 15 - Cubozoans are______. a. polyps b. medusoids c....Ch. 15 - Which group of flatworms are primarily external...Ch. 15 - Crustaceans are _____. a. ecdysozoans b. nematodes...
Ch. 15 - A mantle and mantle cavity are present in _____....Ch. 15 - Annelids have a ______. a. pseudocoelom b. a true...Ch. 15 - Echinoderms in their larval state have ______. a....Ch. 15 - The circulatory fluid in echinoderms is _____. a....Ch. 15 - Which of the following is not a member of the...Ch. 15 - Members of Chondrichthyes differ from members of...Ch. 15 - Squamata includes _____. a. crocodiles and...Ch. 15 - Sudoriferous glands produce______. a. sweat b....Ch. 15 - Which of the following is a Monotreme? a. kangaroo...Ch. 15 - How are specialized tissues important for animal...Ch. 15 - Using the following terms, explain what...Ch. 15 - Describe the feeding mechanism of sponges and...Ch. 15 - Compare the structural differences between...Ch. 15 - Speculate as to what advantage(s) a complete...Ch. 15 - Describe a potential advantage and disadvantage of...Ch. 15 - Describe the morphology and anatomy of mollusks.Ch. 15 - Sessile adult tunicates lose the notochord; what...Ch. 15 - During embryonic development, what features do we...Ch. 15 - What can be inferred about the evolution of the...Ch. 15 - Explain why frogs are restricted to a moist...Ch. 15 - Describe three adaptations that allow for flight...
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- Animals like annelids and arthropodsetc where the body can be divided intoidentical left and right halves in only one plane, exhibit ________ symmetry.A. Coelenterata B. RadialC. Ctenophora D. Bilateralarrow_forwardThe sister taxon of the Chordata is the _____. a. Mollusca b. Arthropoda c. Ambulacraria d. Rotiferaarrow_forwardCharacteristics of mollusc are O A. Mantle O B. Mantle cavity O C. All of these O D. Coelom E. Radulaarrow_forward
- Flies are_______. a. chelicerates b. hexapods c. arachnids d. crustaceansarrow_forwardThe embryonic development in nematodes can have up to __________ larval stages. a. one b. two c. three d. fourarrow_forwardWhich of the following applies to a squid? a. Cephalization c. Complete digestive tract b. True coelom d. All of these are correct.arrow_forward
- Cubozoans are ________. a. polyps b. medusoids c. polymorphs d. spongesarrow_forwardThe rhynchocoel is a ________. a. circulatory system b. fluid-filled cavity c. primitive excretory system d. proboscisarrow_forwardAll of these animals catch plankton with feathery things except A. Phoronid B. Ribbon worm C.  bryozoan D. Feather duster tube worm annelidarrow_forward
- Cnidocytes are found in _____. a. phylum Porifera b. phylum Nemertea c. phylum Nematoda d. phylum Cnidariaarrow_forwardA mantle and mantle cavity are present in _____. a. class Oligochaeta b. class Bivalvia c. class Polychaeta d. class Hirudineaarrow_forwardA barnacle is a shelled______ . a. arthropod c. cephalopod b. gastropod d. crustaceanarrow_forward
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