Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 32, Problem 2TYU
Test Your Understanding
2. Which of the following is/are found in tunicates? (a) dorsal, tubular nerve cord (b) tube feet (c) anal gill slits (d) two pairs of appendages (e) vertebral column
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Essay on (2 pages): Dogfish sharks (Squalus acanthias) represented “primitive” gnathostomes and cats (Felis catus) represented the “derived” state. Was this appropriate? How does the anatomy of a cat reflect humans’ shared ancestry with sharks?
1. Observe the behavior of the live goldfish. Note the movement of the operculum. What is its function? Does a shark have an operculum?
2. Examine the model of the bony fish. Compare the fins, shape of the tail, scales and other external features with the shark.
How do the fins of fish contribute to the evolutionary story of animals evolving to life on land?
1. Observe and compare the features of the amphibian specimens.
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How is the frog able to supply its body tissues with enough oxygen even if there is some mixing of oxygenated deoxygenated blood?
Amphibian, literally means “living on both sides”. Explain why amphibians have that name.
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2. Name four ways in which external anatomy of bony fish are adapted to theirwatery environment
Chapter 32 Solutions
Biology (MindTap Course List)
Ch. 32.1 - Prob. 1LOCh. 32.1 - Prob. 1CCh. 32.2 - Identify three shared derived characters of...Ch. 32.2 - Prob. 1CCh. 32.2 - Prob. 2CCh. 32.3 - Describe characteristics of chordates, including...Ch. 32.3 - What are four shared derived characters of...Ch. 32.3 - Prob. 2CCh. 32.3 - Prob. 3CCh. 32.4 - Prob. 4LO
Ch. 32.4 - Prob. 1CCh. 32.4 - If you found a small fishlike animal along the...Ch. 32.5 - Prob. 5LOCh. 32.5 - Prob. 6LOCh. 32.5 - Prob. 1CCh. 32.5 - Prob. 2CCh. 32.6 - Prob. 7LOCh. 32.6 - Prob. 1CCh. 32.7 - Prob. 8LOCh. 32.7 - Prob. 1CCh. 32.7 - Prob. 2CCh. 32.8 - Describe three vertebrate adaptations to...Ch. 32.8 - Prob. 10LOCh. 32.8 - Prob. 11LOCh. 32.8 - Prob. 1CCh. 32.8 - Prob. 2CCh. 32.8 - Prob. 3CCh. 32.8 - Prob. 4CCh. 32 - Test Your Understanding 1.Which of the following...Ch. 32 - Test Your Understanding 2.Which of the following...Ch. 32 - Test Your Understanding 3.A shark is characterized...Ch. 32 - Test Your Understanding 4.Which of the following...Ch. 32 - Test Your Understanding 5.Reptiles (a) are all...Ch. 32 - Test Your Understanding 6.Which of the following...Ch. 32 - Test Your Understanding 7.Which of the following...Ch. 32 - Test Your Understanding 8.VISUALIZE Draw a simple...Ch. 32 - Test Your Understanding 9.EVOLUTION LINK Sea...Ch. 32 - Test Your Understanding 10.EVOLUTION LINK Most...Ch. 32 - Test Your Understanding 11.EVOLUTION LINK Discuss...Ch. 32 - Prob. 12TYUCh. 32 - Prob. 13TYU
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- Test Your Understanding 3.A shark is characterized by (a) amnion (b) bony skeleton (c) water vascular system (d) placoid scales (e) endothermy and amnionarrow_forwardTest Your Understanding 4.Which of the following characteristics is/are associated with amphibians? (a) amnion (b) placoid scales (c) heart with two complete ventricles (d) swim bladder (e) metamorphosisarrow_forwardTest Your Understanding 6.Which of the following is not characteristic of birds? (a) hollow bones (b) amnion (c) ectothermy (d) high metabolic rate (e) reptilian-like scales on legsarrow_forward
- Test Your Understanding 7.Which of the following is true of mammals? (a) they evolved from saurischian dinosaurs (b) they are exotherms (c) they have hair and three middle ear bones (d) mammalian embryos do not have an amnion (e) they all bear their young alive (do not lay eggs).arrow_forwardTest Your Understanding 1.Which of the following is not a shared derived character of echinoderms? (a) water vascular system (b) notochord (c) tube feet (d) pentaradial symmetry in adult (e) endoskeleton of calcium carbonate plates and spinesarrow_forwardTest Your Understanding 11.EVOLUTION LINK Discuss the relationships among the echinoderms and chordates, describing shared derived characters that support grouping these animals as deuterostomes.arrow_forward
- Test Your Understanding 8.VISUALIZE Draw a simple cladogram illustrating the evolutionary relationships among extant mammals (marsupials, eutherians, and monotremes). Include the following characters in your cladogram: well-developed placenta, vivipary, endothermy, marsupium, hair.arrow_forwardTest Your Understanding 10.EVOLUTION LINK Most biologists consider birds as living dinosaurs. Justify this position.arrow_forwardTest Your Understanding 5.Reptiles (a) are all endotherms (b) are amniotes (c) have a great deal of keratin in their epidermis (d) have external fertilization (e) b and c are both correctarrow_forward
- Visit the SHARK LAGOONhttps://explore.org/livecams/aquarium-of-the-pacific/shark-lagoon-cam1. Observe these sharks as they swim by. How can you tell which are males and which are females?2. Observe the sand tiger shark, which is in the same order as the white shark, i.e., a mackerel shark. How many gill slits does it have?3. Sharks are able to detect bioelectric fields of their prey. What other adaptations (morphological, behavioral, or physiological) do these sharks possess that make them excellent predators?arrow_forwardDraw a see cucumber and label the major features visible on the animal. In particular, locate the tube feet.1. How does the arrangement of tube feet on a cucumber compare to that of a sea star? To an urchin?2. Based on the arrangement of tube feet, would you propose that cucumbers are more closely related to sea star or urchins, evolutionarily speaking.?arrow_forward1. Is there a male or female crayfish? 2. How many swimmerets does a crayfish have? 3. How many rows of gills does the crayfish have? Where do the gills attach? 4. Where can find the stomach and the digestive glands of crayfish? What does the stomach attach to directly? 5. Locate the green glands. What is the function of this structure?arrow_forward
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