Bundle: Biology: The Unity and Diversity of Life, Loose-leaf Version, 14th + LMS Integrated for MindTap Biology, 2 terms (12 months) Printed Access Card
14th Edition
ISBN: 9781305775480
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Chapter 24, Problem 8SQ
Summary Introduction
Concept introduction: Invertebrates are animals that lack notochord. Invertebrates include variety of organisms with varied characteristics. The invertebrates are more in number than the vertebrates.
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- Which group of echinoderms has a biradial symmetry and tube feet all over its body? A. Crinoids B. Echinoidea C. Holothuroidea D. Ophiuroideaarrow_forwardWhat characteristic is common to the flatworms, molluscs, and annelids? a. All have bilateral symmetry. b. All are acoelomates. c. All are parazoans.d. All are vertebrates.arrow_forwardTaenia (Tapeworm), Fasciola (Liverfluke) are examples of which Phylum?A. Coelenterata B. PlatyhelminthesC. Annelida D. Arthropodaarrow_forward
- Which has a posterior flagellum that spits fluids that "burns" from its anal glands? A. AmblypygiB. Microwhip scorpions C. Pseudoscorpions D. Whip scoprionsarrow_forwardWhich group of invertebrates is most closely related to vertebrates? A. molluscs B. annelids C. echinoderms D. arthropodsarrow_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
- What is a key characteristic of all arthropods? a. Six legs c. Hydrostatic skeleton b. Pseudocoelom d. Exoskeletonarrow_forwardWhich animals lack a true circulatory system?a. cnidarians c. nematodesb. flatworms d. All of these are correct.arrow_forwardIn the flatworm, flame cells are involved in what metabolic process? a. Reproduction b. Digestion c. Locomotion d. Osmoregulationarrow_forward
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