CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
10th Edition
ISBN: 9780136538820
Author: Taylor
Publisher: INTER PEAR
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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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Which of the following structures is most effective for the excretion of excess water?
A. The Malpighian tubules of an insect
B. The rectal gland of a shark
C. The flame cells of a flatworm
D. The ionocytes of a crayfish
E. All of the above are equally effective in the excretion of excess water
Marine 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.
You 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.
Chapter 25 Solutions
CAMPBEL BIOLOGY:CONCEPTS & CONNECTIONS
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 - Prob. 18TYKCh. 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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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Which of the following animals must drink water to achieve osmotic balance? A. A marine bony fish such as a flounder B. A marine cartilaginous fish such as a shark C. A freshwater larval amphibian such as a tadpole D. A freshwater mollusc such as a snail E. All of the abovearrow_forwardA shark’s blood is isotonic to the surrounding seawater because of the reabsorption of ____ in its blood. a. ammonia b. uric acid c. urea d. NaClarrow_forwardGills are found in a. fish. b. amphibians. c. aquatic invertebrates. d. All of the choices are correct.arrow_forward
- Which of the following statements regarding marine osmoregulators is (are) true? A. Most marine invertebrates are osmoregulators. B. Marine osmoregulators tend to lose water to the environment by diffusion. C. Marine osmoregulators are isoosmotic with the external environment. D. Marine osmoregulators bring salt into the body via active transport processes in the gills and skin. E. All of the above above answer choices correctly answer the question.arrow_forward(2) Salt water is denser than fresh water – based on this information and your knowledge of how swim bladders work, do you expect marine fishes to have larger or smaller swim bladders than freshwater fishes? Please explain your answer.arrow_forwardMany 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.arrow_forward
- Unlike bony fish in the sea, cartilaginous fish are hypertonic in their osmotic pressure. Thus: O a. They have high levels of sodium chloride in their cells compared with a bony fish. O b. They produce very little urine. Oc. They have high levels of urea in their blood. O d. Osmoregulation requires a greater expenditure in energy compared with a bony fish. O e. They need much larger salt glands than in a bony fish.arrow_forwardTo keep the proper concentrations of water and solutes in their blood, freshwater bony fish must drinka. lots of water and excrete large volumes of urine that are hypotonic to body fluids.b. no water and excrete large volumes of urine that are hypotonic to body fluids.c. lots of water and excrete large volumes of urine that are isotonic to body fluids.d. no water and excrete large volumes of urine that are isotonic to body fluids.arrow_forwardA. List some invertebrates who are endotherms B. How can something be ectothermic but also maintain homeothermy? C. What are some ways that ectotherms (so called cold blooded) animals can adjust their temps behaviorally?arrow_forward
- a) Gill lice infections result in lowered surface area to volume ratios in fish gill structure. True False Levels of carbon dioxide in the blood will not differ between infected and uninfected fish. Question options: True False The branched nature of capillaries in fish gills increases surface area, and thus the efficiency of exchange into/out of the blood stream lation. Question opti True Falsearrow_forwardIn frogs, which of the following is not a factor making them dependent on water: O a. The eggs have no waterproof shell. O b. Having no bony skeleton to support the body. Oc. Having external fertilisation of their eggs. O d. The larva breathes using gills. O e. Needing a wet skin for respiration.arrow_forwardWhich of the following matches is correct?a. nephrons—earthwormsb. Malpighian tubules—insectsc. protonephridia—cnidariansd. nephridia—flatwormsarrow_forward
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