Campbell Biology & Modified Mastering Biology /eText ValuePack Access Card Package
1st Edition
ISBN: 9780133857108
Author: Jane B. Reece, Martha R. Taylor, Eric J. Simon, Jean L. Dickey, Kelly A. Hogan
Publisher: PEARSON
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Chapter 25, Problem 7TYK
Summary Introduction
Introduction:
Osmoregulation is the process by which organisms maintain water and solute concentration in their bodies.
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The urodeum is the
a.) Filtering organ that replaces the mammalian kidney
b.) Middle chamber of the cloaca
c.) Material excreted by amphibians
d.) Structure that allows reptiles to produce urine that's more concentrated than their blood.
Many types of fishes live in freshwater. Generally, water moves by osmosis from the surrounding fresh water into the fish's body. This observation helps to explain which feature of the excretory systems of freshwater fishes?
a. They tend to produce dilute, watery urine.
b. They tend to produce concentrated, dark urine.
c. They do not produce urine, but instead conserve or re-use nitrogenous wastes.
d. They may produce either dilute or concentrated urine, depending on the activity of the fish.
Compare the excretory systems of a flatworm and an annelid worm. How are they similar? How are they different?
Chapter 25 Solutions
Campbell Biology & Modified Mastering Biology /eText ValuePack Access Card Package
Ch. 25 - Complete this map, which presents the three main...Ch. 25 - In this schematic of urine production in a...Ch. 25 - Prob. 3TYKCh. 25 - In each nephron of the kidney, the glomerulus and...Ch. 25 - As filtrate passes through the loop of Henle, salt...Ch. 25 - Birds and insects excrete uric acid, whereas...Ch. 25 - Prob. 7TYKCh. 25 - Match each of the following components of blood...Ch. 25 - Prob. 9TYKCh. 25 - Prob. 10TYK
Ch. 25 - Prob. 11TYKCh. 25 - Match each of the following components of blood...Ch. 25 - Prob. 13TYKCh. 25 - Prob. 14TYKCh. 25 - Prob. 15TYKCh. 25 - Compare the water and salt regulation in a salmon...Ch. 25 - Prob. 17TYKCh. 25 - 18. Assuming equal size, predict which of these...Ch. 25 - Some diuretics are on a list of substances that...Ch. 25 - Prob. 20TYKCh. 25 - Prob. 21TYKCh. 25 - Prob. 22TYKCh. 25 - Prob. 23TYKCh. 25 - Prob. 24TYKCh. 25 - Scientists have found that the quantity of...
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- Kangaroo rats are small rodents that live in the desert of the southwest United States. Their kidneys produce urine that is much more concentrated than the typical urine of mammals. Which statement best explains the evolution of the kidneys of the kangaroo rat? a. The kidneys are adaptations for the desert environment, where organisms benefit by conserving water in their bodies. b. The kidneys are adaptations for the small size of the kangaroo rat, which is not able to hold a large volume of urine. c. The kidneys are the same as all other mammalian kidneys, but function differently in the desert environment. d. The kidneys were adapted for life in the ocean, and then retained their function when kangaroo rats moved to land.arrow_forwardFreshwater fish tend to have larger swim bladders than saltwater fish. Explain why you would expect this to be true.arrow_forwardWhich nephron structure is often longer in animals adapted to desert environments? a. Glomerulus b. Bowman's capsule c. Distal and Proximal tubules d. Loop of Henlearrow_forward
- Why don’t birds have a bladder?arrow_forwardMarine reptiles eliminate excess salt bya. transport across their gills.b. excretion through salt glands.c. reabsorption in the nephron tubules.d. excretion through the cloaca.arrow_forwardYou are studying renal function in different species of mammals that are found in very different environments. You look at species from a desert environment and compare them with ones from a tropical environment. The desert species would be expected to havea. shorter loops of Henle than the tropical species.b. longer loops of Henle than the tropical species.c. shorter proximal convoluted tubules than the tropical species.d. longer distal convoluted tubules than the tropical species.arrow_forward
- Unlike an earthworm’s metanephridia,a mammalian nephron(A) is intimately associated with a capillarynetwork.(B) functions in both osmoregulation andexcretion.(C) receives filtrate from blood instead of coelomic fluid.(D) has a transport epithelium.arrow_forwardIdentiffy the organs involved: A. terminal opening for digestive wastes- common to both toad and cockroach B. hair-like excretory organ- unique to the cockroach. C. Longitudinal pumping vessel that runs mid-dorsal through the thorax and abdomen:- common to both toad and cockroach D. slit-like opening that eventually leads to the posterior respiratory tract- unique to toad E. ventral-longitudinal pair of nerves behind fat tissues: unique to toadarrow_forwardExplain how insects are capable of secreting concentrated urine without depending on high blood pressure filtration.arrow_forward
- Regarding osmoregulation, what physiological and behavioral changes would occur as a fish migrates from a freshwater stream to the ocean?arrow_forwardAll of the following are functions of the mammalian kidney. Check all that would apply water reabsorption. filtration of blood. excretion of nitrogenous waste. regulation of salt balance in the blood. production of urea as a waste product of protein catabolism.arrow_forwardName the following:(a) A chordate animal having flame cells as excretory structures.(b) Cortical portions projecting between the medullary pyramids in the human kidney.arrow_forward
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