Campbell Biology
12th Edition
ISBN: 9780135188743
Author: Urry
Publisher: PEARSON
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Chapter 42, Problem 9TYU
EVOLUTION CONNECTION One opponent of the movie monster Godzilla is Mothra, a mothlike creature with a wingspan of several dozen meters. The largest known insects were Paleozoic dragonflies with half-meter wingspans. Focusing on respiration and gas exchange, explain why giant insects are improbable.
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Chapter 42 Solutions
Campbell Biology
Ch. 42.1 - Prob. 1CCCh. 42.1 - Three-chambered hearts with incomplete septa were...Ch. 42.1 - Prob. 3CCCh. 42.2 - Explain why blood has a higher 02 concentration in...Ch. 42.2 - Prob. 2CCCh. 42.2 - Prob. 3CCCh. 42.3 - Prob. 1CCCh. 42.3 - Prob. 2CCCh. 42.3 - Prob. 3CCCh. 42.4 - Explain why a physician might order a white cell...
Ch. 42.4 - Prob. 2CCCh. 42.4 - Prob. 3CCCh. 42.4 - Prob. 4CCCh. 42.5 - Why is an internal location for gas exchange...Ch. 42.5 - Prob. 2CCCh. 42.5 - MAKE CONNECTIONS Describe similarities in the...Ch. 42.6 - Prob. 1CCCh. 42.6 - Prob. 2CCCh. 42.6 - Prob. 3CCCh. 42.7 - What determines whether O2 and CO2 undergo net...Ch. 42.7 - How does the Bohr shift help deliver O2 to very...Ch. 42.7 - Prob. 3CCCh. 42 - How does the flow of a fluid in a closed...Ch. 42 - Prob. 42.2CRCh. 42 - Prob. 42.3CRCh. 42 - Prob. 42.4CRCh. 42 - Prob. 42.5CRCh. 42 - How does air in the lungs differ from the fresh...Ch. 42 - How are the roles of a respiratory pigment and an...Ch. 42 - Prob. 1TYUCh. 42 - Blood returning to the mammalian heart in a...Ch. 42 - Prob. 3TYUCh. 42 - When you hold your breath, which of the following...Ch. 42 - Prob. 5TYUCh. 42 - Prob. 6TYUCh. 42 - Prob. 7TYUCh. 42 - DRAW IT Plot blood pressure against time for one...Ch. 42 - EVOLUTION CONNECTION One opponent of the movie...Ch. 42 - Prob. 10TYUCh. 42 - Prob. 11TYUCh. 42 - WRITE ABOUT A THEME: INTERACTIONS Some athletes...Ch. 42 - Prob. 13TYU
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- In insects, the respiratory system involves structures called tracheal tubes. How do the tracheal tubes provide oxygen to the insects body?arrow_forwardLungs ventilated with water occur in some animals—most notably sea cucumbers—but are rare. Why would water lungs be unlikely to be favored by natural selection? Give as many reasons as possible.arrow_forwardSponges and cnidarians have no lungs or gills. How do they exchange gases with the environment? Are humans better off having lungs? If so, how?arrow_forward
- name one organism outside the animal kingdom that undergoes cellular respiration. For either scenario, you should name your example and provide a brief explanation of how that organism uses cellular respiration?arrow_forwardNeither cnidarians nor turbellarians possess a circulatory system. For most large, active animals, this would pose a (fatal) problem. Describe and discuss the features of large active cnidarians ands turbellarians that allow them to respire, nourish their cells, and excrete despite the absence of a conventional circulatory system.arrow_forwardWhat is true about Myoglobin? A. is the oxygen-carrying molecule in most invertebrates who do not have respiratory systems. B. primary purpose is to bind to carbon monoxide to prevent us from being poisoned. C. uses copper rather than iron. D. is similar to hemoglobin but has one heme and found mostly in muscle tissue. Which animal has two atria and one ventricle with no septum? A. fish B. frog C. rat D. lizardarrow_forward
- Why do small animals breathe more rapidly than large animals?arrow_forwardA bird’s respiratory system consists of lungs in close association with a number of air sacs; one such air sac is known as the ________. Metamorphosis of the tadpole frog into the adult frog is spontaneous and is triggered by the accumulation of __________. The ________ muscle is responsible for powering the downstroke (ie. downward flapping) of the pigeon’s wing.arrow_forwardTest Your Understanding 1. Which of the following is a benefit of gas exchange in air compared with gas exchange in water? (a) air has a higher concentration of molecular oxygen (b) oxygen diffuses more slowly in air (c) no energy is required for ventilation (d) moist respiratory surface is not needed (e) air is denser than waterarrow_forward
- Why do animals need to remove CO2 from their bodies? please provide scientific explanationarrow_forwardBirds differ from their closest relatives, the reptiles, in what ways? (choose all that apply) birds are capable of powered flight, while some reptiles can glide only the birds lay eggs on land; the reptiles can only lay their eggs in water birds have feathers, reptiles have scales the reptiles have a series of internal air sacs that allow a very efficient extraction of oxygen the bones of reptiles are too lightweight to permit flight birds are endothermic, while reptiles are generally ectothermicarrow_forwardDirection: Describe the process of respiration for each organism below. 1. Acoelomate flatwom 2. Earthworm 3. Nile Tilapia 4. Bee 5. Doiphin 6. Plants 7. Sparrowarrow_forward
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