BIOLOGY:LIFE ON EARTH-W/ACCESS
11th Edition
ISBN: 9780134669076
Author: Audesirk
Publisher: PEARSON
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Textbook Question
Chapter 24, Problem 2FTB
Bilaterally symmetrical animals have _____ embryonic tissue layers, known as _______, _____, and _______ Radially symmetrical animals have _____ tissue layers; they lack the ______layer.
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Fill in the blanks with synapomorphic, symplesiomorphic, or neither
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both pelvic and pectoral fins or appendages
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a cartilage support in the tong
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Chapter 24 Solutions
BIOLOGY:LIFE ON EARTH-W/ACCESS
Ch. 24 - 1. Which of the following groups contains radially...Ch. 24 - Prob. 2MCCh. 24 - 3. A coelom is
a. a body cavity that is partially...Ch. 24 - Prob. 4MCCh. 24 - 5. Which of the following groups does not include...Ch. 24 - Animals obtain energy by ______; they generally...Ch. 24 - 2. Bilaterally symmetrical animals have _____...Ch. 24 - Animals that have an anterior and posterior end...Ch. 24 - Prob. 4FTBCh. 24 - Animals that lack a backbone are described as;...
Ch. 24 - Three major groups within the mollusks are the...Ch. 24 - Phyla that contain animals with segmented bodies...Ch. 24 - Prob. 8FTBCh. 24 - Prob. 1RQCh. 24 - Prob. 2RQCh. 24 - Briefly describe each of the following...Ch. 24 - Prob. 4RQCh. 24 - Prob. 5RQCh. 24 - Prob. 6RQCh. 24 - Prob. 7RQCh. 24 - Prob. 8RQCh. 24 - 1. Insects are the largest group of animals on...Ch. 24 - Prob. 2AC
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- Which of the following is a synapomorphy for mammals? a)Lactation b)Limbs c)Circulatory system d)Amniotic eggarrow_forwardWhich of the following statements about bilaterian animals is false? A. Many bilaterians are invertebrates but some are not. B. All bilaterians are triploblastic (have three germ layers). C. All bilaterians have bilateral symmetry. D. Most bilaterians have tissues but some do not.arrow_forwardThe word invertebrate is so broad that it describes 95 percent of all living animal species. Do you think the term invertebrate is too broad to be useful to scientists? Give reasons to support your answer.arrow_forward
- Write “yes” or “no” to indicate how certain features distinguish each phylum of multicellular invertebrates. Tissues Radial Bilateral symmetry Protostome development Deuterostome development Sponges Cnidarians Arthropods Nematodes Flatworms Annelids Mollusks Echinodermsarrow_forwardA psydocoelomate refers to an animal with a A. functional body cavity lined by tissues derived from mesoderm and endoderm. B. functional body cavity lined by tissues derived only from endoderm. C. functional body cavity lined by tissues derived only from mesoderm. D. body cavity that does not function properlyarrow_forwardThe formation of the neural plate is induced by the ….? Group of answer choices a. notochord b. teeth c. neural tube d. neural crest e. archenteronarrow_forward
- A body cavity fully lined with tissue derived from mesoderm is called a______ . a. coelom c. complete digestive tract b. pseudocoelom d. gastrovascular cavityarrow_forwardWhich of the following structures is not a component of the watervascular system of an echinoderm? a. Ossicles b. Ampullae c. Radial canals d. Madreporitesarrow_forwardThe largest cycloneuralians are also the only ones with external fertilization. Which phylum is this? Explain the relationship between adult body size, mode of fertilization, and type of larval development in marine invertebrates.arrow_forward
- Figure 27.9 Which of the following statements about diploblasts and triploblasts is false? Animals that display radial symmetry are diploblasts. Animals that display bilateral symmetry are triploblasts. The endoderm gives rise to the lining of the digestive tract and the respiratory tract. The mesoderm gives rise to the central nervous system.arrow_forwardWhich of the following are mismatched? (a) endoderm; lining of the digestive tube (b) ectoderm; circulatory system (c) mesoderm; notochord (d) mesoderm; reproductive system (e) ectoderm; sense organsarrow_forwardFigure 15.3 Which of the following statements is false? a. Eumetazoa have specialized tissues and Parazoa do not. b. Both acoelomates and pseudocoelomates have a body cavity. c. Chordates are more closely related to echinoderms than to rotifers according to the figure. d. Some animals have radial symmetry, and some animals have bilateral symmetry.arrow_forward
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