BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 47, Problem 4U
Summary Introduction
Introduction:
Respiration is the process in which there is a transfer of respiratory gasses in an organism and thereby release of energy for carrying out various life processes like locomotion, circulation excretion and many others. During this process there is an intake of oxygen and release of carbon dioxide. This intake of oxygen helps in cellular digestion of food and thereby results in the release of energy.
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Students have asked these similar questions
The function of pharyngeal gills includes: ( can be more than one anwser)
a. gas exchange
b. generating a feeding current
c. eliminating excess water during feeding
d. producing a mucous net
Adult frogs and toads obtain oxygen througha. gills only.b. gills and lungs.c. lungs and skin.d. lungs only.
Which of the following will increase the rate of O2 uptake by a lobster?
A. Increasing the partial pressure of O₂ in the hemolymph (i.e. blood) of the lobster
B. Increasing the flow of water over the gill (i.e. increasing ventilation)
C. Increasing the thickness (i.e. the hemolymph-to-water distance) of the gill
D. Increasing the surface area of the scaphognathite
E. All of the above
Chapter 47 Solutions
BIOLOGY
Ch. 47.1 - Prob. 1LOCh. 47.1 - Prob. 2LOCh. 47.1 - Compare evolutionary strategies for maximizing gas...Ch. 47.2 - Prob. 1LOCh. 47.2 - Prob. 2LOCh. 47.3 - Prob. 1LOCh. 47.3 - Prob. 2LOCh. 47.3 - Describe the breathing cycle of birds.Ch. 47.4 - Prob. 1LOCh. 47.4 - Prob. 2LO
Ch. 47.4 - Prob. 3LOCh. 47.5 - Describe the structure of hemoglobin.Ch. 47.5 - Predict hemoglobins oxygen affinity in various...Ch. 47.5 - Prob. 3LOCh. 47 - Prob. 1DACh. 47 - Prob. 2DACh. 47 - Prob. 3DACh. 47 - Prob. 4DACh. 47 - For a given PO2, how does oxyhemoglobin saturation...Ch. 47 - Prob. 1IQCh. 47 - Prob. 2IQCh. 47 - Prob. 1UCh. 47 - Increased efficiency of gas exchange in...Ch. 47 - Prob. 3UCh. 47 - Prob. 4UCh. 47 - Ficks Law of Diffusion states the rate of...Ch. 47 - Prob. 6UCh. 47 - Prob. 7UCh. 47 - Prob. 8UCh. 47 - When you take a deep breath, your stomach moves...Ch. 47 - Marine mammals are able to hold their breath for...Ch. 47 - Countercurrent flow systems do not occur in lungs...Ch. 47 - Respiratory organs of invertebrates and...Ch. 47 - Prob. 5ACh. 47 - During exercise more oxygen is delivered to the...Ch. 47 - Compare the operation and efficiency of fish gills...Ch. 47 - What happens when, during exercise, the oxygen...Ch. 47 - Explain how bacteria, archaea, protists, and many...
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- Gills are found ina. fish.b. marine arthropods.c. mollusks.d. All of the abovearrow_forwardYou are confronted with two worms that, on first glance, appear to be very similar. Upon closer examination, however, you note one difference that allows you to identify one specimen as an earthworm and the other as a roundworm. That key characteristic is: A. The presence of a gastrovascular cavity B. The presence of a body cavity C. The presence of a muscle layer around the digestive tract D. The absence of a specialized gas exchange surface E. None of the characteristics listed above would allow an earthworm to be distinguished from a roundwormarrow_forwardAccording to the Fick equation, the fish gill is an effective gas exchange surface because... A. It has a high blood-to-water diffusion distance B. The total surface area of the lamellae is very large C. The scaphognathite maintains a constant flow of water across the gill D. The gill tissue is supported by the surrounding water E. All of the abovearrow_forward
- The countercurrent exchange system for gills relies on diffusion to diffuse oxygen into the blood. This system works because the blood in the gills. a. increasing encounters [Select] b. decreasing water as the blood moves from [Select] a. arteries [Select] b. capillaries c. Veins ✰ concentrations of oxygen in the a.arteries b. capillaries to C. veins through the capillaries. This also ensures that a. less blood always has [Select] b. more c. the same amount of oxygen than the water for continued diffusion.arrow_forwardInsects have a tracheal system that consists of: O a. Flat plates along the side of the body. O b. A mass of air filled tubes. Blood vessels running just under the skin. d. O d. Apairof lungs extending Inside the body. Gills on the legs.arrow_forwardA classification given to a nose that is short, broad, and has a minimum projection; this nose is common with individuals of African descent a. leptorrhine b. platyrrhine c, mesorrhine d. calorrhinearrow_forward
- 1. The process of bringing oxygenated water or air into contact with a gas-exchange surface is: A. Respiration B. Ventilation C. Inspiration D. Exhalation 2. Why does gill comb filter out grains and sand water that into the gills? A. To allow countercurrent B. To maximize the transportation of oxygen C. To prevent gill filaments from injuries D. To increase the surface area for effective gas exchange 3. What is the function of stomata? A. Absorbing sunlight B. Allowing gases to enter and exit C. Protecting inner tissue layers D. Transporting mineralsarrow_forwardCatarrhines’ nostrils are A. Close together and face downward B. Large due to their heightened sense of smell C. Far apart and face sideways D. Wide and include a large nasal sinusarrow_forwardAnswer a-d c.) true or false only meromenia have a chambered heart d.) a dorsobentral elongated body is an ancestral character for limax and sepiaarrow_forward
- Marine mammals are able to hold their breath for extended periods underwater because a. unlike humans, they don’t hypoventilate. b. partial pressure of carbon dioxide does not increase underwater. c. myoglobin in muscle tissue provides an oxygen reserve. d. the brains of marine mammals do not have receptors that respond to impulses initiated in the aortic and carotid bodies.arrow_forwardBoth cartilaginous and bony fishes have a. jaws d. a swim bladder b. a bony skeleton e. a four-chambered heart c. lungs f. all of the abovearrow_forwardChoose which is FALSE among the following statements about the anatomy of annelids. A. Earthworms have mouth, teeth, pharynx, crop, gizzard, intestines, and anus. B. Species of leeches have either jaws and teeth or proboscis as mechanisms for bloodsucking. C. Leeches have anterior and posterior suckers, being the later as used for attachment only. D. The cirri is for sensory, while the parapodia is for respiration and locomotion. E. Leeches have a fixed number of metameres of 33-34 Choose which is FALSE among the following statements about the reproduction of annelids. A. Fertilization in leeches is internal, while in the oligochaetes is external. B. The seminal receptacles of each earthworm receive the sperm during copulation. C. Clitellum is visible in leeches only during the reproductive period, while absent in the juvenile stage of earthworms. D. Cocoons are produced by the ovaries to house the developing eggs. E. Organisms of…arrow_forward
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