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 3TYU
Test Your Understanding
3. A shark is characterized by (a) amnion (b) bony skeleton (c) water vascular system (d) placoid scales (e) endothermy and amnion
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4. Using forceps or tweezers, gently pull the 4th or 5th pereiopod to examine its motion. Do so
without tearing the appendage off from the body. How would you describe its maneuverability?
What are the limitations to motion of these walking legs? Given their small size and limited
capacity for muscle attachment, how is it that this animal can use these appendages for motion?
5. Describe the structural differences between the pleopods and the pereiopods up the prawn.
What hypothesis can you make regarding the functional use of pleopods by comparison?
Pleopods of prawns are far larger in comparison to body size then crayfish (see drawings below).
What might this tell you about their use between the two closely related animals?
6. Compare the overall body plan of the prawn to that of an insect like a grasshopper (see drawings
below). Provide a complete side-by-side analysis of the two groups that would include body
regions, and appendages. Focus your comparison on how the…
1. What is the genetic link between Amphioxus and humans?
2. What is the significance that all species described in these films (Amphioxus, sharks, and humans) belong to the same Phylum?
3. What is the significance that sharks have the same three brain regions as humans? What is the explanation for that?
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.
2. The frog will be used to review vertebrate anatomy. Begin by examining the thin skin of the frog.
How does it compare to the skin of a reptile?
Would the frogs skin help protect it against water loss?
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.
What characteristics do reptiles have that make them more suited for terrestrial life than amphibians?
Why are birds thought of as flying…
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 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 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 columnarrow_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 10.EVOLUTION LINK Most biologists consider birds as living dinosaurs. Justify this position.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_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 11.EVOLUTION LINK Discuss the relationships among the echinoderms and chordates, describing shared derived characters that support grouping these animals as deuterostomes.arrow_forwardplease help im confused thank you a lotarrow_forward
- Test Your Understanding 9.EVOLUTION LINK Sea urchins have radial symmetry. Explain why they are not classified as cnidarians.arrow_forward11.What does Molly possess that most humans do not? 12.Where are fish gonads located? 13.What is Sonic Hedgehog responsible for? 14.How many fingers do people in the Hubbard family have? 15.How far back can we trace the Sonic Hedgehog gene? 16.What does the name Tiktaalik mean? 17.Who was the first to predict that an animal like Tiktaalik would exist? 18.What features does Tiktaalik have that fish typically do not? 19.What type of exercise could Tiktaalik do that other fish cannot? 20.What is the piece of anatomy that changed the world?arrow_forwardA swim bladder is a gas-filled sac that helps fish maintainbuoyancy. The evolution of the swim bladder from the airbreathing organ (a simple lung) of an ancestral fish is anexample of(A) exaptation.(B) changes in Hox gene expression.(C) paedomorphosis.(D) adaptive radiationarrow_forward
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From Sea to Changing Sea | Early Life in the Oceans || Radcliffe Institute; Author: Harvard University;https://www.youtube.com/watch?v=Ac0TmDf5Feo;License: Standard youtube license